1125412431 has 16 divisors (see below), whose sum is σ = 1762884480. Its totient is φ = 629601120.

The previous prime is 1125412423. The next prime is 1125412451. The reversal of 1125412431 is 1342145211.

It is not a de Polignac number, because 1125412431 - 2³ = 1125412423 is a prime.

It is a super-2 number, since 2×1125412431² = 2533106279698659522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125412451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311241 + ... + 1312098.

It is an arithmetic number, because the mean of its divisors is an integer number (110180280).

Almost surely, 2^1125412431 is an apocalyptic number.

1125412431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1125412431 is a deficient number, since it is larger than the sum of its proper divisors (637472049).

1125412431 is a wasteful number, since it uses less digits than its factorization.

1125412431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623366.

The product of its digits is 960, while the sum is 24.

The square root of 1125412431 is about 33547.1672574601. The cubic root of 1125412431 is about 1040.1689909684.

Adding to 1125412431 its reverse (1342145211), we get a palindrome (2467557642).

The spelling of 1125412431 in words is "one billion, one hundred twenty-five million, four hundred twelve thousand, four hundred thirty-one".