1057154402 has 8 divisors (see below), whose sum is σ = 1593781596. Its totient is φ = 525893872.

The previous prime is 1057154393. The next prime is 1057154479. The reversal of 1057154402 is 2044517501.

1057154402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 640545481 + 416608921 = 25309^2 + 20411^2 .

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

It is a super-2 number, since 2×1057154402² = 2235150859335955208, which contains 22 as substring.

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, 1341173 + ... + 1341960.

Almost surely, 2^1057154402 is an apocalyptic number.

1057154402 is a deficient number, since it is larger than the sum of its proper divisors (536627194).

1057154402 is a wasteful number, since it uses less digits than its factorization.

1057154402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683332.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 1057154402 is about 32513.9108997980. The cubic root of 1057154402 is about 1018.6996122368.

The spelling of 1057154402 in words is "one billion, fifty-seven million, one hundred fifty-four thousand, four hundred two".