121157059 has 2 divisors, whose sum is σ = 121157060. Its totient is φ = 121157058.

The previous prime is 121157051. The next prime is 121157081. The reversal of 121157059 is 950751121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121157059 - 2³ = 121157051 is a prime.

It is a super-4 number, since 4×121157059⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a self number, because there is not a number n which added to its sum of digits gives 121157059.

It is not a weakly prime, because it can be changed into another prime (121157051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60578529 + 60578530.

It is an arithmetic number, because the mean of its divisors is an integer number (60578530).

Almost surely, 2^121157059 is an apocalyptic number.

121157059 is a deficient number, since it is larger than the sum of its proper divisors (1).

121157059 is an equidigital number, since it uses as much as digits as its factorization.

121157059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 121157059 is about 11007.1367303218. The cubic root of 121157059 is about 494.8226538787.

The spelling of 121157059 in words is "one hundred twenty-one million, one hundred fifty-seven thousand, fifty-nine".