125319841 has 2 divisors, whose sum is σ = 125319842. Its totient is φ = 125319840.

The previous prime is 125319823. The next prime is 125319871. The reversal of 125319841 is 148913521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119268241 + 6051600 = 10921^2 + 2460^2 .

It is a cyclic number.

It is not a de Polignac number, because 125319841 - 2⁵ = 125319809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125319797 and 125319806.

It is not a weakly prime, because it can be changed into another prime (125319811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62659920 + 62659921.

It is an arithmetic number, because the mean of its divisors is an integer number (62659921).

Almost surely, 2^125319841 is an apocalyptic number.

It is an amenable number.

125319841 is a deficient number, since it is larger than the sum of its proper divisors (1).

125319841 is an equidigital number, since it uses as much as digits as its factorization.

125319841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 34.

The square root of 125319841 is about 11194.6344737111. The cubic root of 125319841 is about 500.4260914557.

The spelling of 125319841 in words is "one hundred twenty-five million, three hundred nineteen thousand, eight hundred forty-one".