121916150 has 24 divisors (see below), whose sum is σ = 227054664. Its totient is φ = 48704000.

The previous prime is 121916143. The next prime is 121916161. The reversal of 121916150 is 51619121.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75350 + ... + 76950.

It is an arithmetic number, because the mean of its divisors is an integer number (9460611).

Almost surely, 2^121916150 is an apocalyptic number.

121916150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121916150 is a deficient number, since it is larger than the sum of its proper divisors (105138514).

121916150 is a wasteful number, since it uses less digits than its factorization.

121916150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136 (or 3131 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 121916150 is about 11041.5646536168. The cubic root of 121916150 is about 495.8539149865.

The spelling of 121916150 in words is "one hundred twenty-one million, nine hundred sixteen thousand, one hundred fifty".