1520412304 has 10 divisors (see below), whose sum is σ = 2945798870. Its totient is φ = 760206144.

The previous prime is 1520412293. The next prime is 1520412317. The reversal of 1520412304 is 4032140251.

It can be written as a sum of positive squares in only one way, i.e., 1427328400 + 93083904 = 37780^2 + 9648^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47512869 + ... + 47512900.

It is an arithmetic number, because the mean of its divisors is an integer number (294579887).

Almost surely, 2^1520412304 is an apocalyptic number.

It is an amenable number.

1520412304 is a deficient number, since it is larger than the sum of its proper divisors (1425386566).

1520412304 is an equidigital number, since it uses as much as digits as its factorization.

1520412304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95025777 (or 95025771 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1520412304 is about 38992.4647079407. The cubic root of 1520412304 is about 1149.8833666213.

Adding to 1520412304 its reverse (4032140251), we get a palindrome (5552552555).

The spelling of 1520412304 in words is "one billion, five hundred twenty million, four hundred twelve thousand, three hundred four".