123976771 has 2 divisors, whose sum is σ = 123976772. Its totient is φ = 123976770.

The previous prime is 123976753. The next prime is 123976799. The reversal of 123976771 is 177679321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123976771 - 2¹⁵ = 123944003 is a prime.

It is not a weakly prime, because it can be changed into another prime (123976871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61988385 + 61988386.

It is an arithmetic number, because the mean of its divisors is an integer number (61988386).

Almost surely, 2^123976771 is an apocalyptic number.

123976771 is a deficient number, since it is larger than the sum of its proper divisors (1).

123976771 is an equidigital number, since it uses as much as digits as its factorization.

123976771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 43.

The square root of 123976771 is about 11134.4856639182. The cubic root of 123976771 is about 498.6319549862.

The spelling of 123976771 in words is "one hundred twenty-three million, nine hundred seventy-six thousand, seven hundred seventy-one".