1253125235 has 16 divisors (see below), whose sum is σ = 1560630240. Its totient is φ = 964803840.

The previous prime is 1253125231. The next prime is 1253125241. The reversal of 1253125235 is 5325213521.

It is not a de Polignac number, because 1253125235 - 2² = 1253125231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1253125198 and 1253125207.

It is not an unprimeable number, because it can be changed into a prime (1253125231) 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, 31580 + ... + 59190.

It is an arithmetic number, because the mean of its divisors is an integer number (97539390).

Almost surely, 2^1253125235 is an apocalyptic number.

1253125235 is a deficient number, since it is larger than the sum of its proper divisors (307505005).

1253125235 is a wasteful number, since it uses less digits than its factorization.

1253125235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27958.

The product of its digits is 9000, while the sum is 29.

The square root of 1253125235 is about 35399.5089655210. The cubic root of 1253125235 is about 1078.1143464998.

Adding to 1253125235 its reverse (5325213521), we get a palindrome (6578338756).

The spelling of 1253125235 in words is "one billion, two hundred fifty-three million, one hundred twenty-five thousand, two hundred thirty-five".