125744342653 has 2 divisors, whose sum is σ = 125744342654. Its totient is φ = 125744342652.

The previous prime is 125744342501. The next prime is 125744342671. The reversal of 125744342653 is 356243447521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120354874084 + 5389468569 = 346922^2 + 73413^2 .

It is a cyclic number.

It is not a de Polignac number, because 125744342653 - 2¹³ = 125744334461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125744346653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62872171326 + 62872171327.

It is an arithmetic number, because the mean of its divisors is an integer number (62872171327).

Almost surely, 2^125744342653 is an apocalyptic number.

It is an amenable number.

125744342653 is a deficient number, since it is larger than the sum of its proper divisors (1).

125744342653 is an equidigital number, since it uses as much as digits as its factorization.

125744342653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 46.

The spelling of 125744342653 in words is "one hundred twenty-five billion, seven hundred forty-four million, three hundred forty-two thousand, six hundred fifty-three".