125445075 has 24 divisors (see below), whose sum is σ = 237032448. Its totient is φ = 57346080.

The previous prime is 125445071. The next prime is 125445083. The reversal of 125445075 is 570544521.

It is not a de Polignac number, because 125445075 - 2² = 125445071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125445071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118947 + ... + 119996.

It is an arithmetic number, because the mean of its divisors is an integer number (9876352).

Almost surely, 2^125445075 is an apocalyptic number.

125445075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125445075 is a deficient number, since it is larger than the sum of its proper divisors (111587373).

125445075 is a wasteful number, since it uses less digits than its factorization.

125445075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238963 (or 238958 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 125445075 is about 11200.2265602085. The cubic root of 125445075 is about 500.5927303970.

Adding to 125445075 its reverse (570544521), we get a palindrome (695989596).

The spelling of 125445075 in words is "one hundred twenty-five million, four hundred forty-five thousand, seventy-five".