121752056037 has 4 divisors (see below), whose sum is σ = 162336074720. Its totient is φ = 81168037356.

The previous prime is 121752056017. The next prime is 121752056047. The reversal of 121752056037 is 730650257121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121752056037 - 2¹⁵ = 121752023269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121752055986 and 121752056004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121752056017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20292009337 + ... + 20292009342.

It is an arithmetic number, because the mean of its divisors is an integer number (40584018680).

Almost surely, 2^121752056037 is an apocalyptic number.

It is an amenable number.

121752056037 is a deficient number, since it is larger than the sum of its proper divisors (40584018683).

121752056037 is an equidigital number, since it uses as much as digits as its factorization.

121752056037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40584018682.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 121752056037 in words is "one hundred twenty-one billion, seven hundred fifty-two million, fifty-six thousand, thirty-seven".