121019394 has 32 divisors (see below), whose sum is σ = 244866240. Its totient is φ = 39872000.

The previous prime is 121019387. The next prime is 121019449. The reversal of 121019394 is 493910121.

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, 301594 + ... + 301994.

It is an arithmetic number, because the mean of its divisors is an integer number (7652070).

Almost surely, 2^121019394 is an apocalyptic number.

121019394 is an abundant number, since it is smaller than the sum of its proper divisors (123846846).

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

121019394 is a wasteful number, since it uses less digits than its factorization.

121019394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 121019394 is about 11000.8815101336. The cubic root of 121019394 is about 494.6351683732.

The spelling of 121019394 in words is "one hundred twenty-one million, nineteen thousand, three hundred ninety-four".