1253031135 has 16 divisors (see below), whose sum is σ = 2053749600. Its totient is φ = 651983360.

The previous prime is 1253031071. The next prime is 1253031173. The reversal of 1253031135 is 5311303521.

It is not a de Polignac number, because 1253031135 - 2⁶ = 1253031071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018110 + ... + 1019339.

It is an arithmetic number, because the mean of its divisors is an integer number (128359350).

Almost surely, 2^1253031135 is an apocalyptic number.

1253031135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253031135 is a deficient number, since it is larger than the sum of its proper divisors (800718465).

1253031135 is a wasteful number, since it uses less digits than its factorization.

1253031135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037498.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1253031135 is about 35398.1798260871. The cubic root of 1253031135 is about 1078.0873598117.

Adding to 1253031135 its reverse (5311303521), we get a palindrome (6564334656).

The spelling of 1253031135 in words is "one billion, two hundred fifty-three million, thirty-one thousand, one hundred thirty-five".