121536727 has 8 divisors (see below), whose sum is σ = 132840176. Its totient is φ = 110512512.

The previous prime is 121536721. The next prime is 121536769. The reversal of 121536727 is 727635121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121536727 - 2³ = 121536719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121536692 and 121536701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121536721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68898 + ... + 70639.

It is an arithmetic number, because the mean of its divisors is an integer number (16605022).

Almost surely, 2^121536727 is an apocalyptic number.

121536727 is a deficient number, since it is larger than the sum of its proper divisors (11303449).

121536727 is a wasteful number, since it uses less digits than its factorization.

121536727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139617.

The product of its digits is 17640, while the sum is 34.

The square root of 121536727 is about 11024.3696871975. The cubic root of 121536727 is about 495.3389876078.

The spelling of 121536727 in words is "one hundred twenty-one million, five hundred thirty-six thousand, seven hundred twenty-seven".