1125036252 has 72 divisors (see below), whose sum is σ = 2954736512. Its totient is φ = 360547200.

The previous prime is 1125036181. The next prime is 1125036257. The reversal of 1125036252 is 2526305211.

It is a happy number.

1125036252 is a `hidden beast` number, since 1 + 1 + 250 + 362 + 52 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125036257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172002 + ... + 178422.

Almost surely, 2^1125036252 is an apocalyptic number.

1125036252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125036252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477368256).

1125036252 is an abundant number, since it is smaller than the sum of its proper divisors (1829700260).

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

1125036252 is a wasteful number, since it uses less digits than its factorization.

1125036252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619 (or 6614 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1125036252 is about 33541.5600710522. The cubic root of 1125036252 is about 1040.0530828428.

The spelling of 1125036252 in words is "one billion, one hundred twenty-five million, thirty-six thousand, two hundred fifty-two".