121670880 has 48 divisors (see below), whose sum is σ = 383264784. Its totient is φ = 32445440.

The previous prime is 121670873. The next prime is 121670891. The reversal of 121670880 is 88076121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 126261 + ... + 127220.

It is an arithmetic number, because the mean of its divisors is an integer number (7984683).

Almost surely, 2^121670880 is an apocalyptic number.

121670880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121670880 is an abundant number, since it is smaller than the sum of its proper divisors (261593904).

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

121670880 is a wasteful number, since it uses less digits than its factorization.

121670880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253499 (or 253491 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 121670880 is about 11030.4523932611. The cubic root of 121670880 is about 495.5211733500.

The spelling of 121670880 in words is "one hundred twenty-one million, six hundred seventy thousand, eight hundred eighty".