125424241 has 2 divisors, whose sum is σ = 125424242. Its totient is φ = 125424240.

The previous prime is 125424239. The next prime is 125424251. The reversal of 125424241 is 142424521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108243216 + 17181025 = 10404^2 + 4145^2 .

It is a cyclic number.

It is not a de Polignac number, because 125424241 - 2¹ = 125424239 is a prime.

Together with 125424239, it forms a pair of twin primes.

It is equal to p_7132921 and since 125424241 and 7132921 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (125424251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62712120 + 62712121.

It is an arithmetic number, because the mean of its divisors is an integer number (62712121).

Almost surely, 2^125424241 is an apocalyptic number.

It is an amenable number.

125424241 is a deficient number, since it is larger than the sum of its proper divisors (1).

125424241 is an equidigital number, since it uses as much as digits as its factorization.

125424241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2560, while the sum is 25.

The square root of 125424241 is about 11199.2964511169. The cubic root of 125424241 is about 500.5650159401.

Adding to 125424241 its reverse (142424521), we get a palindrome (267848762).

The spelling of 125424241 in words is "one hundred twenty-five million, four hundred twenty-four thousand, two hundred forty-one".