121275535 has 16 divisors (see below), whose sum is σ = 159408000. Its totient is φ = 88162816.

The previous prime is 121275521. The next prime is 121275547. The reversal of 121275535 is 535572121.

It is not a de Polignac number, because 121275535 - 2²¹ = 119178383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121275497 and 121275506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22135 + ... + 27064.

It is an arithmetic number, because the mean of its divisors is an integer number (9963000).

Almost surely, 2^121275535 is an apocalyptic number.

121275535 is a deficient number, since it is larger than the sum of its proper divisors (38132465).

121275535 is a wasteful number, since it uses less digits than its factorization.

121275535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49250.

The product of its digits is 10500, while the sum is 31.

The square root of 121275535 is about 11012.5171963543. The cubic root of 121275535 is about 494.9838922759.

The spelling of 121275535 in words is "one hundred twenty-one million, two hundred seventy-five thousand, five hundred thirty-five".