121746753 has 32 divisors (see below), whose sum is σ = 187488000. Its totient is φ = 78019200.

The previous prime is 121746733. The next prime is 121746767. The reversal of 121746753 is 357647121.

It is a happy number.

It is not a de Polignac number, because 121746753 - 2⁶ = 121746689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121746733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77823 + ... + 79371.

It is an arithmetic number, because the mean of its divisors is an integer number (5859000).

Almost surely, 2^121746753 is an apocalyptic number.

It is an amenable number.

121746753 is a deficient number, since it is larger than the sum of its proper divisors (65741247).

121746753 is a wasteful number, since it uses less digits than its factorization.

121746753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1664 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 121746753 is about 11033.8911087612. The cubic root of 121746753 is about 495.6241529775.

The spelling of 121746753 in words is "one hundred twenty-one million, seven hundred forty-six thousand, seven hundred fifty-three".