3157042 has 8 divisors (see below), whose sum is σ = 5412096. Its totient is φ = 1353012.

The previous prime is 3157013. The next prime is 3157057. The reversal of 3157042 is 2407513.

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

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, 112738 + ... + 112765.

It is an arithmetic number, because the mean of its divisors is an integer number (676512).

Almost surely, 2^3157042 is an apocalyptic number.

3157042 is a deficient number, since it is larger than the sum of its proper divisors (2255054).

3157042 is a wasteful number, since it uses less digits than its factorization.

3157042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225512.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3157042 is about 1776.8066861648. The cubic root of 3157042 is about 146.6988760757.

The spelling of 3157042 in words is "three million, one hundred fifty-seven thousand, forty-two".