125477137 has 2 divisors, whose sum is σ = 125477138. Its totient is φ = 125477136.

The previous prime is 125477117. The next prime is 125477141. The reversal of 125477137 is 731774521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125417601 + 59536 = 11199^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 125477137 - 2¹¹ = 125475089 is a prime.

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 125477096 and 125477105.

It is not a weakly prime, because it can be changed into another prime (125477117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62738568 + 62738569.

It is an arithmetic number, because the mean of its divisors is an integer number (62738569).

Almost surely, 2^125477137 is an apocalyptic number.

It is an amenable number.

125477137 is a deficient number, since it is larger than the sum of its proper divisors (1).

125477137 is an equidigital number, since it uses as much as digits as its factorization.

125477137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 37.

The square root of 125477137 is about 11201.6577790968. The cubic root of 125477137 is about 500.6353749221.

The spelling of 125477137 in words is "one hundred twenty-five million, four hundred seventy-seven thousand, one hundred thirty-seven".