1042157672 has 32 divisors (see below), whose sum is σ = 1992286920. Its totient is φ = 510935040.

The previous prime is 1042157663. The next prime is 1042157689. The reversal of 1042157672 is 2767512401.

It can be written as a sum of positive squares in 4 ways, for example, as 411846436 + 630311236 = 20294^2 + 25106^2 .

It is a super-2 number, since 2×1042157672² = 2172185226616919168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161288 + ... + 167624.

Almost surely, 2^1042157672 is an apocalyptic number.

It is an amenable number.

1042157672 is a deficient number, since it is larger than the sum of its proper divisors (950129248).

1042157672 is a wasteful number, since it uses less digits than its factorization.

1042157672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6741 (or 6737 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 1042157672 is about 32282.4669441479. The cubic root of 1042157672 is about 1013.8595819030.

The spelling of 1042157672 in words is "one billion, forty-two million, one hundred fifty-seven thousand, six hundred seventy-two".