1125251436 has 12 divisors (see below), whose sum is σ = 2625586712. Its totient is φ = 375083808.

The previous prime is 1125251377. The next prime is 1125251441. The reversal of 1125251436 is 6341525211.

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

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, 46885465 + ... + 46885488.

Almost surely, 2^1125251436 is an apocalyptic number.

It is an amenable number.

1125251436 is an abundant number, since it is smaller than the sum of its proper divisors (1500335276).

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

1125251436 is a wasteful number, since it uses less digits than its factorization.

1125251436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93770960 (or 93770958 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 1125251436 is about 33544.7676396782. The cubic root of 1125251436 is about 1040.1193884144.

Adding to 1125251436 its reverse (6341525211), we get a palindrome (7466776647).

It can be divided in two parts, 11252514 and 36, that multiplied together give a palindrome (405090504).

The spelling of 1125251436 in words is "one billion, one hundred twenty-five million, two hundred fifty-one thousand, four hundred thirty-six".