1200113132 has 24 divisors (see below), whose sum is σ = 2192031072. Its totient is φ = 574371200.

The previous prime is 1200113129. The next prime is 1200113141. The reversal of 1200113132 is 2313110021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60344 + ... + 77727.

It is an arithmetic number, because the mean of its divisors is an integer number (91334628).

Almost surely, 2^1200113132 is an apocalyptic number.

It is an amenable number.

1200113132 is a deficient number, since it is larger than the sum of its proper divisors (991917940).

1200113132 is a wasteful number, since it uses less digits than its factorization.

1200113132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138169 (or 138167 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1200113132 is about 34642.6490326592. The cubic root of 1200113132 is about 1062.6919627691.

Adding to 1200113132 its reverse (2313110021), we get a palindrome (3513223153).

The spelling of 1200113132 in words is "one billion, two hundred million, one hundred thirteen thousand, one hundred thirty-two".