121250164 has 24 divisors (see below), whose sum is σ = 243911808. Its totient is φ = 51661920.

The previous prime is 121250149. The next prime is 121250201. The reversal of 121250164 is 461052121.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7672 + ... + 17359.

It is an arithmetic number, because the mean of its divisors is an integer number (10162992).

Almost surely, 2^121250164 is an apocalyptic number.

121250164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121250164 is an abundant number, since it is smaller than the sum of its proper divisors (122661644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121250164 is a wasteful number, since it uses less digits than its factorization.

121250164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25215 (or 25213 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 121250164 is about 11011.3652196265. The cubic root of 121250164 is about 494.9493727768.

The spelling of 121250164 in words is "one hundred twenty-one million, two hundred fifty thousand, one hundred sixty-four".