121606051 has 8 divisors (see below), whose sum is σ = 139046400. Its totient is φ = 104182728.

The previous prime is 121606027. The next prime is 121606097. The reversal of 121606051 is 150606121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121606051 - 2⁷ = 121605923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121696051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21300 + ... + 26398.

It is an arithmetic number, because the mean of its divisors is an integer number (17380800).

Almost surely, 2^121606051 is an apocalyptic number.

121606051 is a deficient number, since it is larger than the sum of its proper divisors (17440349).

121606051 is an equidigital number, since it uses as much as digits as its factorization.

121606051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 121606051 is about 11027.5133643084. The cubic root of 121606051 is about 495.4331494139.

The spelling of 121606051 in words is "one hundred twenty-one million, six hundred six thousand, fifty-one".