121161316 has 6 divisors (see below), whose sum is σ = 212032310. Its totient is φ = 60580656.

The previous prime is 121161281. The next prime is 121161367. The reversal of 121161316 is 613161121.

It can be written as a sum of positive squares in only one way, i.e., 86304100 + 34857216 = 9290^2 + 5904^2 .

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 as a sum of consecutive naturals, namely, 15145161 + ... + 15145168.

Almost surely, 2^121161316 is an apocalyptic number.

It is an amenable number.

121161316 is a deficient number, since it is larger than the sum of its proper divisors (90870994).

121161316 is a wasteful number, since it uses less digits than its factorization.

121161316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30290333 (or 30290331 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

The square root of 121161316 is about 11007.3301031631. The cubic root of 121161316 is about 494.8284492086.

The spelling of 121161316 in words is "one hundred twenty-one million, one hundred sixty-one thousand, three hundred sixteen".