121627760 has 20 divisors (see below), whose sum is σ = 282784728. Its totient is φ = 48651072.

The previous prime is 121627729. The next prime is 121627799. The reversal of 121627760 is 67726121.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 760094 + ... + 760253.

Almost surely, 2^121627760 is an apocalyptic number.

121627760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121627760 is an abundant number, since it is smaller than the sum of its proper divisors (161156968).

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

121627760 is a wasteful number, since it uses less digits than its factorization.

121627760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520360 (or 1520354 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 121627760 is about 11028.4976311373. The cubic root of 121627760 is about 495.4626290826.

The spelling of 121627760 in words is "one hundred twenty-one million, six hundred twenty-seven thousand, seven hundred sixty".