121254753 has 16 divisors (see below), whose sum is σ = 167340096. Its totient is φ = 78044160.

The previous prime is 121254743. The next prime is 121254769. The reversal of 121254753 is 357452121.

It is not a de Polignac number, because 121254753 - 2²⁴ = 104477537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121254753.

It is not an unprimeable number, because it can be changed into a prime (121254743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6850 + ... + 17012.

It is an arithmetic number, because the mean of its divisors is an integer number (10458756).

Almost surely, 2^121254753 is an apocalyptic number.

It is an amenable number.

121254753 is a deficient number, since it is larger than the sum of its proper divisors (46085343).

121254753 is a wasteful number, since it uses less digits than its factorization.

121254753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10304.

The product of its digits is 8400, while the sum is 30.

The square root of 121254753 is about 11011.5735932699. The cubic root of 121254753 is about 494.9556168756.

The spelling of 121254753 in words is "one hundred twenty-one million, two hundred fifty-four thousand, seven hundred fifty-three".