1056635042 has 8 divisors (see below), whose sum is σ = 1653863616. Its totient is φ = 505347172.

The previous prime is 1056635009. The next prime is 1056635053. The reversal of 1056635042 is 2405366501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1056635042² = 2232955223964683528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11485118 + ... + 11485209.

It is an arithmetic number, because the mean of its divisors is an integer number (206732952).

Almost surely, 2^1056635042 is an apocalyptic number.

1056635042 is a deficient number, since it is larger than the sum of its proper divisors (597228574).

1056635042 is a wasteful number, since it uses less digits than its factorization.

1056635042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22970352.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1056635042 is about 32505.9231833215. The cubic root of 1056635042 is about 1018.5327622811.

The spelling of 1056635042 in words is "one billion, fifty-six million, six hundred thirty-five thousand, forty-two".