1132631247 has 16 divisors (see below), whose sum is σ = 1648032768. Its totient is φ = 686206080.

The previous prime is 1132631237. The next prime is 1132631257. The reversal of 1132631247 is 7421362311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1132631237) and next prime (1132631257).

It is not a de Polignac number, because 1132631247 - 2⁸ = 1132630991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132631237) 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, 162343 + ... + 169175.

It is an arithmetic number, because the mean of its divisors is an integer number (103002048).

Almost surely, 2^1132631247 is an apocalyptic number.

1132631247 is a deficient number, since it is larger than the sum of its proper divisors (515401521).

1132631247 is a wasteful number, since it uses less digits than its factorization.

1132631247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11870.

The product of its digits is 6048, while the sum is 30.

The square root of 1132631247 is about 33654.5873099047. The cubic root of 1132631247 is about 1042.3882635335.

Adding to 1132631247 its reverse (7421362311), we get a palindrome (8553993558).

The spelling of 1132631247 in words is "one billion, one hundred thirty-two million, six hundred thirty-one thousand, two hundred forty-seven".