121053971 has 2 divisors, whose sum is σ = 121053972. Its totient is φ = 121053970.

The previous prime is 121053967. The next prime is 121054009. The reversal of 121053971 is 179350121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121053971 - 2² = 121053967 is a prime.

It is not a weakly prime, because it can be changed into another prime (121053931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60526985 + 60526986.

It is an arithmetic number, because the mean of its divisors is an integer number (60526986).

Almost surely, 2^121053971 is an apocalyptic number.

121053971 is a deficient number, since it is larger than the sum of its proper divisors (1).

121053971 is an equidigital number, since it uses as much as digits as its factorization.

121053971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 121053971 is about 11002.4529537735. The cubic root of 121053971 is about 494.6822720399.

The spelling of 121053971 in words is "one hundred twenty-one million, fifty-three thousand, nine hundred seventy-one".