1253133125 has 20 divisors (see below), whose sum is σ = 1648347360. Its totient is φ = 949734000.

The previous prime is 1253133107. The next prime is 1253133151. The reversal of 1253133125 is 5213313521.

It is not a de Polignac number, because 1253133125 - 2¹⁴ = 1253116741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253133094 and 1253133103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40889 + ... + 64638.

It is an arithmetic number, because the mean of its divisors is an integer number (82417368).

Almost surely, 2^1253133125 is an apocalyptic number.

It is an amenable number.

1253133125 is a deficient number, since it is larger than the sum of its proper divisors (395214235).

1253133125 is an equidigital number, since it uses as much as digits as its factorization.

1253133125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105566 (or 105551 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 1253133125 is about 35399.6204075693. The cubic root of 1253133125 is about 1078.1166091905.

Adding to 1253133125 its reverse (5213313521), we get a palindrome (6466446646).

The spelling of 1253133125 in words is "one billion, two hundred fifty-three million, one hundred thirty-three thousand, one hundred twenty-five".