123152977 has 2 divisors, whose sum is σ = 123152978. Its totient is φ = 123152976.

The previous prime is 123152951. The next prime is 123153007. The reversal of 123152977 is 779251321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101586241 + 21566736 = 10079^2 + 4644^2 .

It is a cyclic number.

It is not a de Polignac number, because 123152977 - 2¹⁹ = 122628689 is a prime.

It is not a weakly prime, because it can be changed into another prime (123152377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61576488 + 61576489.

It is an arithmetic number, because the mean of its divisors is an integer number (61576489).

Almost surely, 2^123152977 is an apocalyptic number.

It is an amenable number.

123152977 is a deficient number, since it is larger than the sum of its proper divisors (1).

123152977 is an equidigital number, since it uses as much as digits as its factorization.

123152977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 37.

The square root of 123152977 is about 11097.4310991328. The cubic root of 123152977 is about 497.5250723457.

The spelling of 123152977 in words is "one hundred twenty-three million, one hundred fifty-two thousand, nine hundred seventy-seven".