125436147479 has 2 divisors, whose sum is σ = 125436147480. Its totient is φ = 125436147478.

The previous prime is 125436147457. The next prime is 125436147491. The reversal of 125436147479 is 974741634521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125436147479 - 2¹² = 125436143383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125436147479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125436147449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62718073739 + 62718073740.

It is an arithmetic number, because the mean of its divisors is an integer number (62718073740).

Almost surely, 2^125436147479 is an apocalyptic number.

125436147479 is a deficient number, since it is larger than the sum of its proper divisors (1).

125436147479 is an equidigital number, since it uses as much as digits as its factorization.

125436147479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The spelling of 125436147479 in words is "one hundred twenty-five billion, four hundred thirty-six million, one hundred forty-seven thousand, four hundred seventy-nine".