1125250413 has 32 divisors (see below), whose sum is σ = 1806022656. Its totient is φ = 609267648.

The previous prime is 1125250411. The next prime is 1125250421. The reversal of 1125250413 is 3140525211.

It is a happy number.

It is not a de Polignac number, because 1125250413 - 2¹ = 1125250411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125250411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40795 + ... + 62567.

It is an arithmetic number, because the mean of its divisors is an integer number (56438208).

Almost surely, 2^1125250413 is an apocalyptic number.

It is an amenable number.

1125250413 is a deficient number, since it is larger than the sum of its proper divisors (680772243).

1125250413 is a wasteful number, since it uses less digits than its factorization.

1125250413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21913.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1125250413 is about 33544.7523913950. The cubic root of 1125250413 is about 1040.1190732130.

Adding to 1125250413 its reverse (3140525211), we get a palindrome (4265775624).

It can be divided in two parts, 112 and 5250413, that added together give a palindrome (5250525).

The spelling of 1125250413 in words is "one billion, one hundred twenty-five million, two hundred fifty thousand, four hundred thirteen".