121052817 has 6 divisors (see below), whose sum is σ = 174854082. Its totient is φ = 80701872.

The previous prime is 121052807. The next prime is 121052831. The reversal of 121052817 is 718250121.

121052817 is a `hidden beast` number, since 121 + 0 + 528 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 91470096 + 29582721 = 9564^2 + 5439^2 .

It is not a de Polignac number, because 121052817 - 2⁶ = 121052753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121052807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6725148 + ... + 6725165.

It is an arithmetic number, because the mean of its divisors is an integer number (29142347).

Almost surely, 2^121052817 is an apocalyptic number.

It is an amenable number.

121052817 is a deficient number, since it is larger than the sum of its proper divisors (53801265).

121052817 is a wasteful number, since it uses less digits than its factorization.

121052817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450319 (or 13450316 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 121052817 is about 11002.4005107976. The cubic root of 121052817 is about 494.6807001098.

The spelling of 121052817 in words is "one hundred twenty-one million, fifty-two thousand, eight hundred seventeen".