121190005 has 16 divisors (see below), whose sum is σ = 150912000. Its totient is φ = 93329280.

The previous prime is 121189997. The next prime is 121190021. The reversal of 121190005 is 500091121.

It is not a de Polignac number, because 121190005 - 2³ = 121189997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28881 + ... + 32809.

It is an arithmetic number, because the mean of its divisors is an integer number (9432000).

Almost surely, 2^121190005 is an apocalyptic number.

It is an amenable number.

121190005 is a deficient number, since it is larger than the sum of its proper divisors (29721995).

121190005 is a wasteful number, since it uses less digits than its factorization.

121190005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 121190005 is about 11008.6332030820. The cubic root of 121190005 is about 494.8675018631.

The spelling of 121190005 in words is "one hundred twenty-one million, one hundred ninety thousand, five".