121575008 has 12 divisors (see below), whose sum is σ = 239350860. Its totient is φ = 60787488.

The previous prime is 121574969. The next prime is 121575029. The reversal of 121575008 is 800575121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1899578 + ... + 1899641.

It is an arithmetic number, because the mean of its divisors is an integer number (19945905).

Almost surely, 2^121575008 is an apocalyptic number.

It is an amenable number.

121575008 is a deficient number, since it is larger than the sum of its proper divisors (117775852).

121575008 is an equidigital number, since it uses as much as digits as its factorization.

121575008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799229 (or 3799221 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 121575008 is about 11026.1057495382. The cubic root of 121575008 is about 495.3909885729.

The spelling of 121575008 in words is "one hundred twenty-one million, five hundred seventy-five thousand, eight".