1253136 has 20 divisors (see below), whose sum is σ = 3237392. Its totient is φ = 417696.

The previous prime is 1253111. The next prime is 1253137. The reversal of 1253136 is 6313521.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1253137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13006 + ... + 13101.

2^1253136 is an apocalyptic number.

1253136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1253136 is an abundant number, since it is smaller than the sum of its proper divisors (1984256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253136 is a wasteful number, since it uses less digits than its factorization.

1253136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26118 (or 26112 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 1253136 is about 1119.4355720630. The cubic root of 1253136 is about 107.8117433679.

Adding to 1253136 its reverse (6313521), we get a palindrome (7566657).

The spelling of 1253136 in words is "one million, two hundred fifty-three thousand, one hundred thirty-six".