125403630241979 has 2 divisors, whose sum is σ = 125403630241980. Its totient is φ = 125403630241978.

The previous prime is 125403630241961. The next prime is 125403630242131. The reversal of 125403630241979 is 979142036304521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125403630241979 - 2¹² = 125403630237883 is a prime.

It is not a weakly prime, because it can be changed into another prime (125403630241949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62701815120989 + 62701815120990.

It is an arithmetic number, because the mean of its divisors is an integer number (62701815120990).

Almost surely, 2^{125403630241979} is an apocalyptic number.

125403630241979 is a deficient number, since it is larger than the sum of its proper divisors (1).

125403630241979 is an equidigital number, since it uses as much as digits as its factorization.

125403630241979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 125403630241979 in words is "one hundred twenty-five trillion, four hundred three billion, six hundred thirty million, two hundred forty-one thousand, nine hundred seventy-nine".