121275984 has 20 divisors (see below), whose sum is σ = 313296416. Its totient is φ = 40425312.

The previous prime is 121275967. The next prime is 121275997. The reversal of 121275984 is 489572121.

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, 1263244 + ... + 1263339.

Almost surely, 2^121275984 is an apocalyptic number.

It is an amenable number.

121275984 is an abundant number, since it is smaller than the sum of its proper divisors (192020432).

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

121275984 is a wasteful number, since it uses less digits than its factorization.

121275984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526594 (or 2526588 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 121275984 is about 11012.5375822287. The cubic root of 121275984 is about 494.9845031369.

The spelling of 121275984 in words is "one hundred twenty-one million, two hundred seventy-five thousand, nine hundred eighty-four".