125247177812123 has 2 divisors, whose sum is σ = 125247177812124. Its totient is φ = 125247177812122.

The previous prime is 125247177812111. The next prime is 125247177812129. The reversal of 125247177812123 is 321218771742521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125247177812123 - 2¹⁴ = 125247177795739 is a prime.

It is not a weakly prime, because it can be changed into another prime (125247177812129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62623588906061 + 62623588906062.

It is an arithmetic number, because the mean of its divisors is an integer number (62623588906062).

Almost surely, 2^{125247177812123} is an apocalyptic number.

125247177812123 is a deficient number, since it is larger than the sum of its proper divisors (1).

125247177812123 is an equidigital number, since it uses as much as digits as its factorization.

125247177812123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2634240, while the sum is 53.

The spelling of 125247177812123 in words is "one hundred twenty-five trillion, two hundred forty-seven billion, one hundred seventy-seven million, eight hundred twelve thousand, one hundred twenty-three".