1131250363 has 4 divisors (see below), whose sum is σ = 1197794520. Its totient is φ = 1064706208.

The previous prime is 1131250361. The next prime is 1131250387. The reversal of 1131250363 is 3630521311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1131250363 - 2¹ = 1131250361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131250361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33272053 + ... + 33272086.

It is an arithmetic number, because the mean of its divisors is an integer number (299448630).

Almost surely, 2^1131250363 is an apocalyptic number.

1131250363 is a deficient number, since it is larger than the sum of its proper divisors (66544157).

1131250363 is an equidigital number, since it uses as much as digits as its factorization.

1131250363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66544156.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1131250363 is about 33634.0655139993. The cubic root of 1131250363 is about 1041.9644708101.

Adding to 1131250363 its reverse (3630521311), we get a palindrome (4761771674).

The spelling of 1131250363 in words is "one billion, one hundred thirty-one million, two hundred fifty thousand, three hundred sixty-three".