1051312404 has 12 divisors (see below), whose sum is σ = 2453062304. Its totient is φ = 350437464.

The previous prime is 1051312387. The next prime is 1051312417. The reversal of 1051312404 is 4042131501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1051312404² = 2210515541608518432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43804672 + ... + 43804695.

Almost surely, 2^1051312404 is an apocalyptic number.

It is an amenable number.

1051312404 is an abundant number, since it is smaller than the sum of its proper divisors (1401749900).

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

1051312404 is a wasteful number, since it uses less digits than its factorization.

1051312404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87609374 (or 87609372 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1051312404 is about 32423.9480014387. The cubic root of 1051312404 is about 1016.8196480115.

Adding to 1051312404 its reverse (4042131501), we get a palindrome (5093443905).

The spelling of 1051312404 in words is "one billion, fifty-one million, three hundred twelve thousand, four hundred four".