121904182 has 16 divisors (see below), whose sum is σ = 187494912. Its totient is φ = 59416360.

The previous prime is 121904179. The next prime is 121904219. The reversal of 121904182 is 281409121.

It is a self number, because there is not a number n which added to its sum of digits gives 121904182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22257 + ... + 27187.

It is an arithmetic number, because the mean of its divisors is an integer number (11718432).

Almost surely, 2^121904182 is an apocalyptic number.

121904182 is a deficient number, since it is larger than the sum of its proper divisors (65590730).

121904182 is a wasteful number, since it uses less digits than its factorization.

121904182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 121904182 is about 11041.0226881390. The cubic root of 121904182 is about 495.8376891519.

The spelling of 121904182 in words is "one hundred twenty-one million, nine hundred four thousand, one hundred eighty-two".