121362636 has 12 divisors (see below), whose sum is σ = 283179512. Its totient is φ = 40454208.

The previous prime is 121362623. The next prime is 121362667. The reversal of 121362636 is 636263121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

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, 5056765 + ... + 5056788.

Almost surely, 2^121362636 is an apocalyptic number.

It is an amenable number.

121362636 is an abundant number, since it is smaller than the sum of its proper divisors (161816876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121362636 is a wasteful number, since it uses less digits than its factorization.

121362636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113560 (or 10113558 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 121362636 is about 11016.4711228233. The cubic root of 121362636 is about 495.1023643008.

The spelling of 121362636 in words is "one hundred twenty-one million, three hundred sixty-two thousand, six hundred thirty-six".