1001520232 has 16 divisors (see below), whose sum is σ = 1887583140. Its totient is φ = 498164736.

The previous prime is 1001520203. The next prime is 1001520251. The reversal of 1001520232 is 2320251001.

It can be written as a sum of positive squares in 2 ways, for example, as 969325956 + 32194276 = 31134^2 + 5674^2 .

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, 322783 + ... + 325870.

Almost surely, 2^1001520232 is an apocalyptic number.

It is an amenable number.

1001520232 is a deficient number, since it is larger than the sum of its proper divisors (886062908).

1001520232 is a wasteful number, since it uses less digits than its factorization.

1001520232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648852 (or 648848 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1001520232 is about 31646.8044516346. The cubic root of 1001520232 is about 1000.5064874272.

Adding to 1001520232 its reverse (2320251001), we get a palindrome (3321771233).

The spelling of 1001520232 in words is "one billion, one million, five hundred twenty thousand, two hundred thirty-two".