1042657 has 12 divisors (see below), whose sum is σ = 1310848. Its totient is φ = 811800.

The previous prime is 1042633. The next prime is 1042681. The reversal of 1042657 is 7562401.

It is an interprime number because it is at equal distance from previous prime (1042633) and next prime (1042681).

It is not a de Polignac number, because 1042657 - 2⁷ = 1042529 is a prime.

1042657 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1042607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232 + ... + 1462.

2^1042657 is an apocalyptic number.

It is an amenable number.

1042657 is a deficient number, since it is larger than the sum of its proper divisors (268191).

1042657 is a wasteful number, since it uses less digits than its factorization.

1042657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1042657 is about 1021.1057731695. The cubic root of 1042657 is about 101.4021479237.

The spelling of 1042657 in words is "one million, forty-two thousand, six hundred fifty-seven".