121057016 has 16 divisors (see below), whose sum is σ = 227207040. Its totient is φ = 60468480.

The previous prime is 121057009. The next prime is 121057019. The reversal of 121057016 is 610750121.

It is a super-2 number, since 2×121057016² = 29309602245648512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121056982 and 121057000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121057019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1736 + ... + 15656.

It is an arithmetic number, because the mean of its divisors is an integer number (14200440).

Almost surely, 2^121057016 is an apocalyptic number.

It is an amenable number.

121057016 is a deficient number, since it is larger than the sum of its proper divisors (106150024).

121057016 is a wasteful number, since it uses less digits than its factorization.

121057016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15014 (or 15010 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 121057016 is about 11002.5913311365. The cubic root of 121057016 is about 494.6864197626.

The spelling of 121057016 in words is "one hundred twenty-one million, fifty-seven thousand, sixteen".