1421113044 has 48 divisors (see below), whose sum is σ = 3584002688. Its totient is φ = 435673728.

The previous prime is 1421112989. The next prime is 1421113073. The reversal of 1421113044 is 4403111241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421113044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26769 + ... + 59655.

Almost surely, 2^1421113044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421113044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792001344).

1421113044 is an abundant number, since it is smaller than the sum of its proper divisors (2162889644).

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

1421113044 is a wasteful number, since it uses less digits than its factorization.

1421113044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33184 (or 33182 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1421113044 is about 37697.6530303943. The cubic root of 1421113044 is about 1124.2844619283.

Adding to 1421113044 its reverse (4403111241), we get a palindrome (5824224285).

The spelling of 1421113044 in words is "one billion, four hundred twenty-one million, one hundred thirteen thousand, forty-four".