1131484259 has 4 divisors (see below), whose sum is σ = 1131742920. Its totient is φ = 1131225600.

The previous prime is 1131484229. The next prime is 1131484273. The reversal of 1131484259 is 9524841311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131484259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131484229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122654 + ... + 131555.

It is an arithmetic number, because the mean of its divisors is an integer number (282935730).

Almost surely, 2^1131484259 is an apocalyptic number.

1131484259 is a deficient number, since it is larger than the sum of its proper divisors (258661).

1131484259 is an equidigital number, since it uses as much as digits as its factorization.

1131484259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258660.

The product of its digits is 34560, while the sum is 38.

The square root of 1131484259 is about 33637.5424042839. The cubic root of 1131484259 is about 1042.0362776459.

The spelling of 1131484259 in words is "one billion, one hundred thirty-one million, four hundred eighty-four thousand, two hundred fifty-nine".