125130458 has 4 divisors (see below), whose sum is σ = 187695690. Its totient is φ = 62565228.

The previous prime is 125130451. The next prime is 125130491. The reversal of 125130458 is 854031521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 88491649 + 36638809 = 9407^2 + 6053^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125130458.

It is not an unprimeable number, because it can be changed into a prime (125130451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31282613 + ... + 31282616.

Almost surely, 2^125130458 is an apocalyptic number.

125130458 is a deficient number, since it is larger than the sum of its proper divisors (62565232).

125130458 is an equidigital number, since it uses as much as digits as its factorization.

125130458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62565231.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 125130458 is about 11186.1726251654. The cubic root of 125130458 is about 500.1738835220.

Adding to 125130458 its reverse (854031521), we get a palindrome (979161979).

The spelling of 125130458 in words is "one hundred twenty-five million, one hundred thirty thousand, four hundred fifty-eight".