1125363231 has 6 divisors (see below), whose sum is σ = 1625524680. Its totient is φ = 750242148.

The previous prime is 1125363223. The next prime is 1125363233. The reversal of 1125363231 is 1323635211.

1125363231 is a `hidden beast` number, since 1 + 1 + 25 + 3 + 632 + 3 + 1 = 666.

It is not a de Polignac number, because 1125363231 - 2³ = 1125363223 is a prime.

It is a super-2 number, since 2×1125363231² = 2532884803373518722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1125363195 and 1125363204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125363233) 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, 62520171 + ... + 62520188.

It is an arithmetic number, because the mean of its divisors is an integer number (270920780).

Almost surely, 2^1125363231 is an apocalyptic number.

1125363231 is a deficient number, since it is larger than the sum of its proper divisors (500161449).

1125363231 is a wasteful number, since it uses less digits than its factorization.

1125363231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125040365 (or 125040362 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 1125363231 is about 33546.4339535516. The cubic root of 1125363231 is about 1040.1538329521.

Adding to 1125363231 its reverse (1323635211), we get a palindrome (2448998442).

The spelling of 1125363231 in words is "one billion, one hundred twenty-five million, three hundred sixty-three thousand, two hundred thirty-one".