125007049 has 2 divisors, whose sum is σ = 125007050. Its totient is φ = 125007048.

The previous prime is 125007037. The next prime is 125007067. The reversal of 125007049 is 940700521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114490000 + 10517049 = 10700^2 + 3243^2 .

It is a cyclic number.

It is not a de Polignac number, because 125007049 - 2¹⁵ = 124974281 is a prime.

It is not a weakly prime, because it can be changed into another prime (125007089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62503524 + 62503525.

It is an arithmetic number, because the mean of its divisors is an integer number (62503525).

Almost surely, 2^125007049 is an apocalyptic number.

It is an amenable number.

125007049 is a deficient number, since it is larger than the sum of its proper divisors (1).

125007049 is an equidigital number, since it uses as much as digits as its factorization.

125007049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 125007049 is about 11180.6551239183. The cubic root of 125007049 is about 500.0093984900.

The spelling of 125007049 in words is "one hundred twenty-five million, seven thousand, forty-nine".