121164031 has 2 divisors, whose sum is σ = 121164032. Its totient is φ = 121164030.

The previous prime is 121164019. The next prime is 121164041. The reversal of 121164031 is 130461121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121164031 - 2²¹ = 119066879 is a prime.

It is a super-2 number, since 2×121164031² = 29361444816337922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121164041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60582015 + 60582016.

It is an arithmetic number, because the mean of its divisors is an integer number (60582016).

Almost surely, 2^121164031 is an apocalyptic number.

121164031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121164031 is an equidigital number, since it uses as much as digits as its factorization.

121164031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 121164031 is about 11007.4534293814. The cubic root of 121164031 is about 494.8321452430.

The spelling of 121164031 in words is "one hundred twenty-one million, one hundred sixty-four thousand, thirty-one".