1125254532 has 12 divisors (see below), whose sum is σ = 2625593936. Its totient is φ = 375084840.

The previous prime is 1125254527. The next prime is 1125254551. The reversal of 1125254532 is 2354525211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1125254532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46885594 + ... + 46885617.

Almost surely, 2^1125254532 is an apocalyptic number.

1125254532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1125254532 is an abundant number, since it is smaller than the sum of its proper divisors (1500339404).

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

1125254532 is a wasteful number, since it uses less digits than its factorization.

1125254532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93771218 (or 93771216 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 1125254532 is about 33544.8137869328. The cubic root of 1125254532 is about 1040.1203423365.

Adding to 1125254532 its reverse (2354525211), we get a palindrome (3479779743).

The spelling of 1125254532 in words is "one billion, one hundred twenty-five million, two hundred fifty-four thousand, five hundred thirty-two".