121176642 has 32 divisors (see below), whose sum is σ = 258621120. Its totient is φ = 37739520.

The previous prime is 121176641. The next prime is 121176647. The reversal of 121176642 is 246671121.

It is not an unprimeable number, because it can be changed into a prime (121176641) 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, 1042 + ... + 15602.

It is an arithmetic number, because the mean of its divisors is an integer number (8081910).

Almost surely, 2^121176642 is an apocalyptic number.

121176642 is an abundant number, since it is smaller than the sum of its proper divisors (137444478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121176642 is a wasteful number, since it uses less digits than its factorization.

121176642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14658.

The product of its digits is 4032, while the sum is 30.

The square root of 121176642 is about 11008.0262536024. The cubic root of 121176642 is about 494.8493123612.

The spelling of 121176642 in words is "one hundred twenty-one million, one hundred seventy-six thousand, six hundred forty-two".