1253132975 has 6 divisors (see below), whose sum is σ = 1553884920. Its totient is φ = 1002506360.

The previous prime is 1253132971. The next prime is 1253133029. The reversal of 1253132975 is 5792313521.

It is a happy number.

It is not a de Polignac number, because 1253132975 - 2² = 1253132971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253132971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25062635 + ... + 25062684.

It is an arithmetic number, because the mean of its divisors is an integer number (258980820).

Almost surely, 2^1253132975 is an apocalyptic number.

1253132975 is a deficient number, since it is larger than the sum of its proper divisors (300751945).

1253132975 is an equidigital number, since it uses as much as digits as its factorization.

1253132975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50125329 (or 50125324 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 1253132975 is about 35399.6182889025. The cubic root of 1253132975 is about 1078.1165661736.

The spelling of 1253132975 in words is "one billion, two hundred fifty-three million, one hundred thirty-two thousand, nine hundred seventy-five".