121960580 has 24 divisors (see below), whose sum is σ = 292705728. Its totient is φ = 41815008.

The previous prime is 121960577. The next prime is 121960673. The reversal of 121960580 is 85069121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435434 + ... + 435713.

It is an arithmetic number, because the mean of its divisors is an integer number (12196072).

Almost surely, 2^121960580 is an apocalyptic number.

121960580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121960580 is an abundant number, since it is smaller than the sum of its proper divisors (170745148).

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

121960580 is a wasteful number, since it uses less digits than its factorization.

121960580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871163 (or 871161 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 121960580 is about 11043.5764134632. The cubic root of 121960580 is about 495.9141424837.

The spelling of 121960580 in words is "one hundred twenty-one million, nine hundred sixty thousand, five hundred eighty".