1421055312 has 20 divisors (see below), whose sum is σ = 3671059680. Its totient is φ = 473685088.

The previous prime is 1421055301. The next prime is 1421055319. The reversal of 1421055312 is 2135501241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421055319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14802612 + ... + 14802707.

It is an arithmetic number, because the mean of its divisors is an integer number (183552984).

Almost surely, 2^1421055312 is an apocalyptic number.

1421055312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421055312 is an abundant number, since it is smaller than the sum of its proper divisors (2250004368).

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

1421055312 is a wasteful number, since it uses less digits than its factorization.

1421055312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29605330 (or 29605324 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1421055312 is about 37696.8872985556. The cubic root of 1421055312 is about 1124.2692372259.

Adding to 1421055312 its reverse (2135501241), we get a palindrome (3556556553).

The spelling of 1421055312 in words is "one billion, four hundred twenty-one million, fifty-five thousand, three hundred twelve".