1125787267 has 6 divisors (see below), whose sum is σ = 1237435724. Its totient is φ = 1023442860.

The previous prime is 1125787211. The next prime is 1125787291. The reversal of 1125787267 is 7627875211.

It is not a de Polignac number, because 1125787267 - 2⁷ = 1125787139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125784267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4651893 + ... + 4652134.

Almost surely, 2^1125787267 is an apocalyptic number.

1125787267 is a deficient number, since it is larger than the sum of its proper divisors (111648457).

1125787267 is an equidigital number, since it uses as much as digits as its factorization.

1125787267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9304049 (or 9304038 counting only the distinct ones).

The product of its digits is 329280, while the sum is 46.

The square root of 1125787267 is about 33552.7534935659. The cubic root of 1125787267 is about 1040.2844596016.

The spelling of 1125787267 in words is "one billion, one hundred twenty-five million, seven hundred eighty-seven thousand, two hundred sixty-seven".