123961027 has 2 divisors, whose sum is σ = 123961028. Its totient is φ = 123961026.

The previous prime is 123960983. The next prime is 123961031. The reversal of 123961027 is 720169321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123961027 - 2¹⁹ = 123436739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123961027.

It is not a weakly prime, because it can be changed into another prime (123961627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61980513 + 61980514.

It is an arithmetic number, because the mean of its divisors is an integer number (61980514).

Almost surely, 2^123961027 is an apocalyptic number.

123961027 is a deficient number, since it is larger than the sum of its proper divisors (1).

123961027 is an equidigital number, since it uses as much as digits as its factorization.

123961027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 123961027 is about 11133.7786487787. The cubic root of 123961027 is about 498.6108467474.

The spelling of 123961027 in words is "one hundred twenty-three million, nine hundred sixty-one thousand, twenty-seven".