1515152 has 20 divisors (see below), whose sum is σ = 2954796. Its totient is φ = 752640.

The previous prime is 1515149. The next prime is 1515169. The reversal of 1515152 is 2515151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 712336 + 802816 = 844^2 + 896^2 .

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, 4328 + ... + 4664.

2^1515152 is an apocalyptic number.

It is an amenable number.

1515152 is a deficient number, since it is larger than the sum of its proper divisors (1439644).

1515152 is a wasteful number, since it uses less digits than its factorization.

1515152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 620 counting only the distinct ones).

The product of its digits is 250, while the sum is 20.

The square root of 1515152 is about 1230.9151067397. The cubic root of 1515152 is about 114.8555716817.

Subtracting 1515152 from its reverse (2515151), we obtain a palindrome (999999).

The spelling of 1515152 in words is "one million, five hundred fifteen thousand, one hundred fifty-two".