121156016 has 20 divisors (see below), whose sum is σ = 237022032. Its totient is φ = 59989056.

The previous prime is 121156003. The next prime is 121156037. The reversal of 121156016 is 610651121.

It is a junction number, because it is equal to n+sod(n) for n = 121155982 and 121156000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35111 + ... + 38406.

Almost surely, 2^121156016 is an apocalyptic number.

121156016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121156016 is a deficient number, since it is larger than the sum of its proper divisors (115866016).

121156016 is a wasteful number, since it uses less digits than its factorization.

121156016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73628 (or 73622 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 121156016 is about 11007.0893518677. The cubic root of 121156016 is about 494.8212339545.

The spelling of 121156016 in words is "one hundred twenty-one million, one hundred fifty-six thousand, sixteen".