125126262733 has 2 divisors, whose sum is σ = 125126262734. Its totient is φ = 125126262732.

The previous prime is 125126262731. The next prime is 125126262769. The reversal of 125126262733 is 337262621521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105117311524 + 20008951209 = 324218^2 + 141453^2 .

It is a cyclic number.

It is not a de Polignac number, because 125126262733 - 2¹ = 125126262731 is a prime.

Together with 125126262731, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125126262731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62563131366 + 62563131367.

It is an arithmetic number, because the mean of its divisors is an integer number (62563131367).

Almost surely, 2^125126262733 is an apocalyptic number.

It is an amenable number.

125126262733 is a deficient number, since it is larger than the sum of its proper divisors (1).

125126262733 is an equidigital number, since it uses as much as digits as its factorization.

125126262733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The spelling of 125126262733 in words is "one hundred twenty-five billion, one hundred twenty-six million, two hundred sixty-two thousand, seven hundred thirty-three".