121150180 has 12 divisors (see below), whose sum is σ = 254415420. Its totient is φ = 48460064.

The previous prime is 121150171. The next prime is 121150189. The reversal of 121150180 is 81051121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121150171) and next prime (121150189).

It can be written as a sum of positive squares in 2 ways, for example, as 60590656 + 60559524 = 7784^2 + 7782^2 .

It is a super-2 number, since 2×121150180² = 29354732228064800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121150189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028735 + ... + 3028774.

It is an arithmetic number, because the mean of its divisors is an integer number (21201285).

Almost surely, 2^121150180 is an apocalyptic number.

121150180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121150180 is an abundant number, since it is smaller than the sum of its proper divisors (133265240).

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

121150180 is a wasteful number, since it uses less digits than its factorization.

121150180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057518 (or 6057516 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 121150180 is about 11006.8242468025. The cubic root of 121150180 is about 494.8132887635.

The spelling of 121150180 in words is "one hundred twenty-one million, one hundred fifty thousand, one hundred eighty".