125154241 has 2 divisors, whose sum is σ = 125154242. Its totient is φ = 125154240.

The previous prime is 125154229. The next prime is 125154257. The reversal of 125154241 is 142451521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123854641 + 1299600 = 11129^2 + 1140^2 .

It is an emirp because it is prime and its reverse (142451521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125154241 - 2⁹ = 125153729 is a prime.

It is not a weakly prime, because it can be changed into another prime (125154641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62577120 + 62577121.

It is an arithmetic number, because the mean of its divisors is an integer number (62577121).

Almost surely, 2^125154241 is an apocalyptic number.

It is an amenable number.

125154241 is a deficient number, since it is larger than the sum of its proper divisors (1).

125154241 is an equidigital number, since it uses as much as digits as its factorization.

125154241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1600, while the sum is 25.

The square root of 125154241 is about 11187.2356281612. The cubic root of 125154241 is about 500.2055701369.

The spelling of 125154241 in words is "one hundred twenty-five million, one hundred fifty-four thousand, two hundred forty-one".