121385976 has 32 divisors (see below), whose sum is σ = 304214400. Its totient is φ = 40362080.

The previous prime is 121385911. The next prime is 121385989. The reversal of 121385976 is 679583121.

It is a zygodrome in base 2.

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, 4021 + ... + 16091.

It is an arithmetic number, because the mean of its divisors is an integer number (9506700).

Almost surely, 2^121385976 is an apocalyptic number.

It is an amenable number.

121385976 is an abundant number, since it is smaller than the sum of its proper divisors (182828424).

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

121385976 is a wasteful number, since it uses less digits than its factorization.

121385976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12499 (or 12495 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 121385976 is about 11017.5303947845. The cubic root of 121385976 is about 495.1341010002.

The spelling of 121385976 in words is "one hundred twenty-one million, three hundred eighty-five thousand, nine hundred seventy-six".