1042615557 has 24 divisors (see below), whose sum is σ = 1643984160. Its totient is φ = 658491120.

The previous prime is 1042615549. The next prime is 1042615573. The reversal of 1042615557 is 7555162401.

1042615557 is a `hidden beast` number, since 1 + 0 + 42 + 61 + 5 + 557 = 666.

It is not a de Polignac number, because 1042615557 - 2³ = 1042615549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042615537) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 108294 + ... + 117527.

It is an arithmetic number, because the mean of its divisors is an integer number (68499340).

Almost surely, 2^1042615557 is an apocalyptic number.

It is an amenable number.

1042615557 is a deficient number, since it is larger than the sum of its proper divisors (601368603).

1042615557 is an equidigital number, since it uses as much as digits as its factorization.

1042615557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225855 (or 225843 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 1042615557 is about 32289.5580180343. The cubic root of 1042615557 is about 1014.0080441223.

Adding to 1042615557 its reverse (7555162401), we get a palindrome (8597777958).

The spelling of 1042615557 in words is "one billion, forty-two million, six hundred fifteen thousand, five hundred fifty-seven".