1252818324 has 36 divisors (see below), whose sum is σ = 3168159540. Its totient is φ = 417432960.

The previous prime is 1252818317. The next prime is 1252818367. The reversal of 1252818324 is 4238182521.

It is a happy number.

1252818324 is a `hidden beast` number, since 1 + 252 + 81 + 8 + 324 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1002862224 + 249956100 = 31668^2 + 15810^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104512 + ... + 115880.

Almost surely, 2^1252818324 is an apocalyptic number.

It is an amenable number.

1252818324 is an abundant number, since it is smaller than the sum of its proper divisors (1915341216).

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

1252818324 is a wasteful number, since it uses less digits than its factorization.

1252818324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14440 (or 14435 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 1252818324 is about 35395.1737388023. The cubic root of 1252818324 is about 1078.0263233292.

The spelling of 1252818324 in words is "one billion, two hundred fifty-two million, eight hundred eighteen thousand, three hundred twenty-four".