1230520132 has 6 divisors (see below), whose sum is σ = 2153410238. Its totient is φ = 615260064.

The previous prime is 1230520111. The next prime is 1230520201. The reversal of 1230520132 is 2310250321.

It can be written as a sum of positive squares in only one way, i.e., 782097156 + 448422976 = 27966^2 + 21176^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153815013 + ... + 153815020.

Almost surely, 2^1230520132 is an apocalyptic number.

It is an amenable number.

1230520132 is a deficient number, since it is larger than the sum of its proper divisors (922890106).

1230520132 is a wasteful number, since it uses less digits than its factorization.

1230520132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307630037 (or 307630035 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1230520132 is about 35078.7703889404. The cubic root of 1230520132 is about 1071.5922757490.

Adding to 1230520132 its reverse (2310250321), we get a palindrome (3540770453).

The spelling of 1230520132 in words is "one billion, two hundred thirty million, five hundred twenty thousand, one hundred thirty-two".