121074490 has 16 divisors (see below), whose sum is σ = 221628960. Its totient is φ = 47608720.

The previous prime is 121074469. The next prime is 121074521. The reversal of 121074490 is 94470121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102016 + ... + 103195.

It is an arithmetic number, because the mean of its divisors is an integer number (13851810).

Almost surely, 2^121074490 is an apocalyptic number.

121074490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121074490 is a deficient number, since it is larger than the sum of its proper divisors (100554470).

121074490 is a wasteful number, since it uses less digits than its factorization.

121074490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205277.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 121074490 is about 11003.3853881431. The cubic root of 121074490 is about 494.7102204886.

The spelling of 121074490 in words is "one hundred twenty-one million, seventy-four thousand, four hundred ninety".