1042215125 has 16 divisors (see below), whose sum is σ = 1486497792. Its totient is φ = 714661200.

The previous prime is 1042215091. The next prime is 1042215157. The reversal of 1042215125 is 5215122401.

It is not a de Polignac number, because 1042215125 - 2¹⁸ = 1041952981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042215125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594677 + ... + 596426.

It is an arithmetic number, because the mean of its divisors is an integer number (92906112).

Almost surely, 2^1042215125 is an apocalyptic number.

It is an amenable number.

1042215125 is a deficient number, since it is larger than the sum of its proper divisors (444282667).

1042215125 is an equidigital number, since it uses as much as digits as its factorization.

1042215125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191125 (or 1191115 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1042215125 is about 32283.3567802358. The cubic root of 1042215125 is about 1013.8782125465.

Adding to 1042215125 its reverse (5215122401), we get a palindrome (6257337526).

The spelling of 1042215125 in words is "one billion, forty-two million, two hundred fifteen thousand, one hundred twenty-five".