1520013772 has 12 divisors (see below), whose sum is σ = 2751749280. Its totient is φ = 733799696.

The previous prime is 1520013757. The next prime is 1520013839. The reversal of 1520013772 is 2773100251.

It is a self number, because there is not a number n which added to its sum of digits gives 1520013772.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6551668 + ... + 6551899.

It is an arithmetic number, because the mean of its divisors is an integer number (229312440).

Almost surely, 2^1520013772 is an apocalyptic number.

It is an amenable number.

1520013772 is a deficient number, since it is larger than the sum of its proper divisors (1231735508).

1520013772 is a wasteful number, since it uses less digits than its factorization.

1520013772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13103600 (or 13103598 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 1520013772 is about 38987.3540010091. The cubic root of 1520013772 is about 1149.7828883140.

The spelling of 1520013772 in words is "one billion, five hundred twenty million, thirteen thousand, seven hundred seventy-two".