1042520706 has 40 divisors (see below), whose sum is σ = 2380114044. Its totient is φ = 340947360.

The previous prime is 1042520659. The next prime is 1042520707. The reversal of 1042520706 is 6070252401.

It can be written as a sum of positive squares in 2 ways, for example, as 1017929025 + 24591681 = 31905^2 + 4959^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1042520706.

It is not an unprimeable number, because it can be changed into a prime (1042520707) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52125 + ... + 69296.

Almost surely, 2^1042520706 is an apocalyptic number.

1042520706 is an abundant number, since it is smaller than the sum of its proper divisors (1337593338).

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

1042520706 is a wasteful number, since it uses less digits than its factorization.

1042520706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121488 (or 121479 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1042520706 is about 32288.0892280729. The cubic root of 1042520706 is about 1013.9772937039.

The spelling of 1042520706 in words is "one billion, forty-two million, five hundred twenty thousand, seven hundred six".