1520164 has 6 divisors (see below), whose sum is σ = 2660294. Its totient is φ = 760080.

The previous prime is 1520159. The next prime is 1520173. The reversal of 1520164 is 4610251.

It can be written as a sum of positive squares in only one way, i.e., 1016064 + 504100 = 1008^2 + 710^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190017 + ... + 190024.

2^1520164 is an apocalyptic number.

It is an amenable number.

1520164 is a deficient number, since it is larger than the sum of its proper divisors (1140130).

1520164 is a wasteful number, since it uses less digits than its factorization.

1520164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380045 (or 380043 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1520164 is about 1232.9493095825. The cubic root of 1520164 is about 114.9820766018.

The spelling of 1520164 in words is "one million, five hundred twenty thousand, one hundred sixty-four".