121536367 has 4 divisors (see below), whose sum is σ = 123829560. Its totient is φ = 119243176.

The previous prime is 121536343. The next prime is 121536377. The reversal of 121536367 is 763635121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121536367 - 2²³ = 113147759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121536307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146517 + ... + 1146622.

It is an arithmetic number, because the mean of its divisors is an integer number (30957390).

Almost surely, 2^121536367 is an apocalyptic number.

121536367 is a deficient number, since it is larger than the sum of its proper divisors (2293193).

121536367 is an equidigital number, since it uses as much as digits as its factorization.

121536367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293192.

The product of its digits is 22680, while the sum is 34.

The square root of 121536367 is about 11024.3533597214. The cubic root of 121536367 is about 495.3384985315.

The spelling of 121536367 in words is "one hundred twenty-one million, five hundred thirty-six thousand, three hundred sixty-seven".