125819461 has 2 divisors, whose sum is σ = 125819462. Its totient is φ = 125819460.

The previous prime is 125819413. The next prime is 125819471. The reversal of 125819461 is 164918521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125574436 + 245025 = 11206^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 125819461 - 2⁹ = 125818949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125819461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125819411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62909730 + 62909731.

It is an arithmetic number, because the mean of its divisors is an integer number (62909731).

Almost surely, 2^125819461 is an apocalyptic number.

It is an amenable number.

125819461 is a deficient number, since it is larger than the sum of its proper divisors (1).

125819461 is an equidigital number, since it uses as much as digits as its factorization.

125819461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The square root of 125819461 is about 11216.9274313423. The cubic root of 125819461 is about 501.0902357110.

The spelling of 125819461 in words is "one hundred twenty-five million, eight hundred nineteen thousand, four hundred sixty-one".