121536927 has 18 divisors (see below), whose sum is σ = 186491448. Its totient is φ = 76256832.

The previous prime is 121536907. The next prime is 121536931. The reversal of 121536927 is 729635121.

It is not a de Polignac number, because 121536927 - 2⁷ = 121536799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121536891 and 121536900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121536907) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20763 + ... + 25964.

It is an arithmetic number, because the mean of its divisors is an integer number (10360636).

Almost surely, 2^121536927 is an apocalyptic number.

121536927 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

121536927 is a deficient number, since it is larger than the sum of its proper divisors (64954521).

121536927 is a wasteful number, since it uses less digits than its factorization.

121536927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46767 (or 46747 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 121536927 is about 11024.3787580072. The cubic root of 121536927 is about 495.3392593165.

The spelling of 121536927 in words is "one hundred twenty-one million, five hundred thirty-six thousand, nine hundred twenty-seven".