120872560477 has 2 divisors, whose sum is σ = 120872560478. Its totient is φ = 120872560476.

The previous prime is 120872560463. The next prime is 120872560481. The reversal of 120872560477 is 774065278021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107771697796 + 13100862681 = 328286^2 + 114459^2 .

It is a cyclic number.

It is not a de Polignac number, because 120872560477 - 2¹⁵ = 120872527709 is a prime.

It is a super-2 number, since 2×120872560477² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120872560477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120872560177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60436280238 + 60436280239.

It is an arithmetic number, because the mean of its divisors is an integer number (60436280239).

Almost surely, 2^120872560477 is an apocalyptic number.

It is an amenable number.

120872560477 is a deficient number, since it is larger than the sum of its proper divisors (1).

120872560477 is an equidigital number, since it uses as much as digits as its factorization.

120872560477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 120872560477 in words is "one hundred twenty billion, eight hundred seventy-two million, five hundred sixty thousand, four hundred seventy-seven".