121960577 has 2 divisors, whose sum is σ = 121960578. Its totient is φ = 121960576.

The previous prime is 121960511. The next prime is 121960673. The reversal of 121960577 is 775069121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121793296 + 167281 = 11036^2 + 409^2 .

It is a cyclic number.

It is not a de Polignac number, because 121960577 - 2²⁴ = 105183361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121960577.

It is not a weakly prime, because it can be changed into another prime (121960507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60980288 + 60980289.

It is an arithmetic number, because the mean of its divisors is an integer number (60980289).

Almost surely, 2^121960577 is an apocalyptic number.

It is an amenable number.

121960577 is a deficient number, since it is larger than the sum of its proper divisors (1).

121960577 is an equidigital number, since it uses as much as digits as its factorization.

121960577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 121960577 is about 11043.5762776376. The cubic root of 121960577 is about 495.9141384175.

The spelling of 121960577 in words is "one hundred twenty-one million, nine hundred sixty thousand, five hundred seventy-seven".