10815042 has 16 divisors (see below), whose sum is σ = 24720192. Its totient is φ = 3090000.

The previous prime is 10815031. The next prime is 10815061. The reversal of 10815042 is 24051801.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128709 + ... + 128792.

It is an arithmetic number, because the mean of its divisors is an integer number (1545012).

Almost surely, 2^10815042 is an apocalyptic number.

10815042 is an abundant number, since it is smaller than the sum of its proper divisors (13905150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10815042 is a wasteful number, since it uses less digits than its factorization.

10815042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257513.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 10815042 is about 3288.6231161384. The cubic root of 10815042 is about 221.1444630567.

Adding to 10815042 its reverse (24051801), we get a palindrome (34866843).

The spelling of 10815042 in words is "ten million, eight hundred fifteen thousand, forty-two".