1421112600 has 360 divisors, whose sum is σ = 5230619460. Its totient is φ = 359017920.

The previous prime is 1421112599. The next prime is 1421112611. The reversal of 1421112600 is 62111241.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1421112600 is a `hidden beast` number, since 1 + 42 + 11 + 12 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×1421112600² = 4039122043757520000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 74795391 + ... + 74795409.

Almost surely, 2^1421112600 is an apocalyptic number.

1421112600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421112600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2615309730).

1421112600 is an abundant number, since it is smaller than the sum of its proper divisors (3809506860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421112600 is an frugal number, since it uses more digits than its factorization.

1421112600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1421112600 is about 37697.6471414331. The cubic root of 1421112600 is about 1124.2843448412.

Multiplying 1421112600 by its product of nonzero digits (96), we get a square (136426809600 = 369360²).

Adding to 1421112600 its reverse (62111241), we get a palindrome (1483223841).

The spelling of 1421112600 in words is "one billion, four hundred twenty-one million, one hundred twelve thousand, six hundred".