125145250 has 32 divisors (see below), whose sum is σ = 235063296. Its totient is φ = 49889200.

The previous prime is 125145199. The next prime is 125145257. The reversal of 125145250 is 52541521.

It is a super-2 number, since 2×125145250² = 31322667195125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (125145257) 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 in 15 ways as a sum of consecutive naturals, for example, 95097 + ... + 96403.

It is an arithmetic number, because the mean of its divisors is an integer number (7345728).

Almost surely, 2^125145250 is an apocalyptic number.

125145250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125145250 is a deficient number, since it is larger than the sum of its proper divisors (109918046).

125145250 is a wasteful number, since it uses less digits than its factorization.

125145250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 125145250 is about 11186.8337790458. The cubic root of 125145250 is about 500.1935917015.

Adding to 125145250 its reverse (52541521), we get a palindrome (177686771).

The spelling of 125145250 in words is "one hundred twenty-five million, one hundred forty-five thousand, two hundred fifty".