121375760 has 40 divisors (see below), whose sum is σ = 307855296. Its totient is φ = 44136320.

The previous prime is 121375747. The next prime is 121375769. The reversal of 121375760 is 67573121.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (121375769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68084 + ... + 69843.

Almost surely, 2^121375760 is an apocalyptic number.

121375760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121375760 is an abundant number, since it is smaller than the sum of its proper divisors (186479536).

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

121375760 is a wasteful number, since it uses less digits than its factorization.

121375760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137951 (or 137945 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 121375760 is about 11017.0667602588. The cubic root of 121375760 is about 495.1202102361.

The spelling of 121375760 in words is "one hundred twenty-one million, three hundred seventy-five thousand, seven hundred sixty".