125134033457 has 2 divisors, whose sum is σ = 125134033458. Its totient is φ = 125134033456.

The previous prime is 125134033429. The next prime is 125134033463. The reversal of 125134033457 is 754330431521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108689561761 + 16444471696 = 329681^2 + 128236^2 .

It is a cyclic number.

It is not a de Polignac number, because 125134033457 - 2⁸ = 125134033201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125134033457.

It is not a weakly prime, because it can be changed into another prime (125134033957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62567016728 + 62567016729.

It is an arithmetic number, because the mean of its divisors is an integer number (62567016729).

Almost surely, 2^125134033457 is an apocalyptic number.

It is an amenable number.

125134033457 is a deficient number, since it is larger than the sum of its proper divisors (1).

125134033457 is an equidigital number, since it uses as much as digits as its factorization.

125134033457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 38.

Adding to 125134033457 its reverse (754330431521), we get a palindrome (879464464978).

The spelling of 125134033457 in words is "one hundred twenty-five billion, one hundred thirty-four million, thirty-three thousand, four hundred fifty-seven".