1201002136 has 16 divisors (see below), whose sum is σ = 2253372840. Its totient is φ = 600102720.

The previous prime is 1201002107. The next prime is 1201002163. The reversal of 1201002136 is 6312001021.

It is a super-2 number, since 2×1201002136² = 2884812261353124992, which contains 22 as substring.

It is a congruent number.

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, 36781 + ... + 61276.

Almost surely, 2^1201002136 is an apocalyptic number.

It is an amenable number.

1201002136 is a deficient number, since it is larger than the sum of its proper divisors (1052370704).

1201002136 is a wasteful number, since it uses less digits than its factorization.

1201002136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99594 (or 99590 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1201002136 is about 34655.4777199796. The cubic root of 1201002136 is about 1062.9543003215.

Adding to 1201002136 its reverse (6312001021), we get a palindrome (7513003157).

The spelling of 1201002136 in words is "one billion, two hundred one million, two thousand, one hundred thirty-six".