125250319 has 4 divisors (see below), whose sum is σ = 127014480. Its totient is φ = 123486160.

The previous prime is 125250287. The next prime is 125250343. The reversal of 125250319 is 913052521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913052521 = 5179 ⋅176299.

It is a cyclic number.

It is not a de Polignac number, because 125250319 - 2⁵ = 125250287 is a prime.

It is a super-2 number, since 2×125250319² = 31375284819203522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125200319) 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 in 3 ways as a sum of consecutive naturals, for example, 881974 + ... + 882115.

It is an arithmetic number, because the mean of its divisors is an integer number (31753620).

Almost surely, 2^125250319 is an apocalyptic number.

125250319 is a deficient number, since it is larger than the sum of its proper divisors (1764161).

125250319 is an equidigital number, since it uses as much as digits as its factorization.

125250319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764160.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 125250319 is about 11191.5288946596. The cubic root of 125250319 is about 500.3335361245. Note that the first 3 decimals are identical.

The spelling of 125250319 in words is "one hundred twenty-five million, two hundred fifty thousand, three hundred nineteen".