1252332133 has 16 divisors (see below), whose sum is σ = 1357606656. Its totient is φ = 1148368320.

The previous prime is 1252332113. The next prime is 1252332163. The reversal of 1252332133 is 3312332521.

It is a cyclic number.

It is not a de Polignac number, because 1252332133 - 2²¹ = 1250234981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252332098 and 1252332107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252332113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224110 + ... + 2224672.

It is an arithmetic number, because the mean of its divisors is an integer number (84850416).

Almost surely, 2^1252332133 is an apocalyptic number.

1252332133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1252332133 is a deficient number, since it is larger than the sum of its proper divisors (105274523).

1252332133 is a wasteful number, since it uses less digits than its factorization.

1252332133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its digits is 3240, while the sum is 25.

The square root of 1252332133 is about 35388.3050314648. The cubic root of 1252332133 is about 1077.8868525852.

Adding to 1252332133 its reverse (3312332521), we get a palindrome (4564664654).

The spelling of 1252332133 in words is "one billion, two hundred fifty-two million, three hundred thirty-two thousand, one hundred thirty-three".