1201132136 has 16 divisors (see below), whose sum is σ = 2265611040. Its totient is φ = 596969200.

The previous prime is 1201132129. The next prime is 1201132157. The reversal of 1201132136 is 6312311021.

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, 448190 + ... + 450861.

It is an arithmetic number, because the mean of its divisors is an integer number (141600690).

Almost surely, 2^1201132136 is an apocalyptic number.

It is an amenable number.

1201132136 is a deficient number, since it is larger than the sum of its proper divisors (1064478904).

1201132136 is a wasteful number, since it uses less digits than its factorization.

1201132136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899224 (or 899220 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1201132136 is about 34657.3532745938. The cubic root of 1201132136 is about 1062.9926513700.

Adding to 1201132136 its reverse (6312311021), we get a palindrome (7513443157).

The spelling of 1201132136 in words is "one billion, two hundred one million, one hundred thirty-two thousand, one hundred thirty-six".