975277075121 has 4 divisors (see below), whose sum is σ = 1032646314852. Its totient is φ = 917907835392.

The previous prime is 975277075111. The next prime is 975277075147. The reversal of 975277075121 is 121570772579.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 291573000625 + 683704074496 = 539975^2 + 826864^2 .

It is a cyclic number.

It is not a de Polignac number, because 975277075121 - 2¹⁸ = 975276812977 is a prime.

It is a super-3 number, since 3×975277075121³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (975277075111) 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, 28684619840 + ... + 28684619873.

It is an arithmetic number, because the mean of its divisors is an integer number (258161578713).

Almost surely, 2^975277075121 is an apocalyptic number.

It is an amenable number.

975277075121 is a deficient number, since it is larger than the sum of its proper divisors (57369239731).

975277075121 is a wasteful number, since it uses less digits than its factorization.

975277075121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57369239730.

The product of its (nonzero) digits is 2160900, while the sum is 53.

The spelling of 975277075121 in words is "nine hundred seventy-five billion, two hundred seventy-seven million, seventy-five thousand, one hundred twenty-one".