1520072 has 16 divisors (see below), whose sum is σ = 3018060. Its totient is φ = 715264.

The previous prime is 1520069. The next prime is 1520083. The reversal of 1520072 is 2700251.

It can be written as a sum of positive squares in 2 ways, for example, as 1331716 + 188356 = 1154^2 + 434^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1520072.

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, 5453 + ... + 5724.

2^1520072 is an apocalyptic number.

It is an amenable number.

1520072 is a deficient number, since it is larger than the sum of its proper divisors (1497988).

1520072 is a wasteful number, since it uses less digits than its factorization.

1520072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200 (or 11196 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1520072 is about 1232.9120001038. The cubic root of 1520072 is about 114.9797569914.

The spelling of 1520072 in words is "one million, five hundred twenty thousand, seventy-two".