121303660 has 12 divisors (see below), whose sum is σ = 254737728. Its totient is φ = 48521456.

The previous prime is 121303627. The next prime is 121303673. The reversal of 121303660 is 66303121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032572 + ... + 3032611.

It is an arithmetic number, because the mean of its divisors is an integer number (21228144).

Almost surely, 2^121303660 is an apocalyptic number.

121303660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121303660 is an abundant number, since it is smaller than the sum of its proper divisors (133434068).

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

121303660 is a wasteful number, since it uses less digits than its factorization.

121303660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065192 (or 6065190 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 121303660 is about 11013.7940783365. The cubic root of 121303660 is about 495.0221532105.

Adding to 121303660 its reverse (66303121), we get a palindrome (187606781).

The spelling of 121303660 in words is "one hundred twenty-one million, three hundred three thousand, six hundred sixty".