1125013412 has 12 divisors (see below), whose sum is σ = 1969052316. Its totient is φ = 562427040.

The previous prime is 1125013399. The next prime is 1125013433. The reversal of 1125013412 is 2143105211.

It can be written as a sum of positive squares in 2 ways, for example, as 615337636 + 509675776 = 24806^2 + 22576^2 .

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, 21362 + ... + 52022.

It is an arithmetic number, because the mean of its divisors is an integer number (164087693).

Almost surely, 2^1125013412 is an apocalyptic number.

It is an amenable number.

1125013412 is a deficient number, since it is larger than the sum of its proper divisors (844038904).

1125013412 is a wasteful number, since it uses less digits than its factorization.

1125013412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39838 (or 39836 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1125013412 is about 33541.2195961924. The cubic root of 1125013412 is about 1040.0460445590.

Adding to 1125013412 its reverse (2143105211), we get a palindrome (3268118623).

The spelling of 1125013412 in words is "one billion, one hundred twenty-five million, thirteen thousand, four hundred twelve".