121052401 has 16 divisors (see below), whose sum is σ = 130867200. Its totient is φ = 111611088.

The previous prime is 121052389. The next prime is 121052423. The reversal of 121052401 is 104250121.

It is not a de Polignac number, because 121052401 - 2⁷ = 121052273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121052431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252480 + ... + 252958.

It is an arithmetic number, because the mean of its divisors is an integer number (8179200).

Almost surely, 2^121052401 is an apocalyptic number.

It is an amenable number.

121052401 is a deficient number, since it is larger than the sum of its proper divisors (9814799).

121052401 is a wasteful number, since it uses less digits than its factorization.

121052401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 121052401 is about 11002.3816058161. The cubic root of 121052401 is about 494.6801334497.

The spelling of 121052401 in words is "one hundred twenty-one million, fifty-two thousand, four hundred one".