75012125 has 16 divisors (see below), whose sum is σ = 96847920. Its totient is φ = 57937600.

The previous prime is 75012121. The next prime is 75012149. The reversal of 75012125 is 52121057.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9369721 + 65642404 = 3061^2 + 8102^2 .

It is not a de Polignac number, because 75012125 - 2² = 75012121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75012125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75012121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6722 + ... + 13971.

It is an arithmetic number, because the mean of its divisors is an integer number (6052995).

Almost surely, 2^75012125 is an apocalyptic number.

It is an amenable number.

75012125 is a deficient number, since it is larger than the sum of its proper divisors (21835795).

75012125 is a wasteful number, since it uses less digits than its factorization.

75012125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20737 (or 20727 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 75012125 is about 8660.9540467549. The cubic root of 75012125 is about 421.7390572509.

The spelling of 75012125 in words is "seventy-five million, twelve thousand, one hundred twenty-five".