121867753 has 6 divisors (see below), whose sum is σ = 141764586. Its totient is φ = 104458032.

The previous prime is 121867709. The next prime is 121867763. The reversal of 121867753 is 357768121.

It can be written as a sum of positive squares in only one way, i.e., 98942809 + 22924944 = 9947^2 + 4788^2 .

It is not a de Polignac number, because 121867753 - 2²⁵ = 88313321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121867763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1243500 + ... + 1243597.

It is an arithmetic number, because the mean of its divisors is an integer number (23627431).

Almost surely, 2^121867753 is an apocalyptic number.

It is an amenable number.

121867753 is a deficient number, since it is larger than the sum of its proper divisors (19896833).

121867753 is an equidigital number, since it uses as much as digits as its factorization.

121867753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487111 (or 2487104 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 121867753 is about 11039.3728535637. The cubic root of 121867753 is about 495.7882933329.

The spelling of 121867753 in words is "one hundred twenty-one million, eight hundred sixty-seven thousand, seven hundred fifty-three".