121757248 has 14 divisors (see below), whose sum is σ = 241612166. Its totient is φ = 60878592.

The previous prime is 121757231. The next prime is 121757257. The reversal of 121757248 is 842757121.

It can be written as a sum of positive squares in only one way, i.e., 94633984 + 27123264 = 9728^2 + 5208^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 951165 + ... + 951292.

Almost surely, 2^121757248 is an apocalyptic number.

It is an amenable number.

121757248 is a deficient number, since it is larger than the sum of its proper divisors (119854918).

121757248 is an equidigital number, since it uses as much as digits as its factorization.

121757248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902469 (or 1902459 counting only the distinct ones).

The product of its digits is 31360, while the sum is 37.

The square root of 121757248 is about 11034.3666786998. The cubic root of 121757248 is about 495.6383940857.

The spelling of 121757248 in words is "one hundred twenty-one million, seven hundred fifty-seven thousand, two hundred forty-eight".