1131472293 has 16 divisors (see below), whose sum is σ = 1724933760. Its totient is φ = 646261056.

The previous prime is 1131472291. The next prime is 1131472297. The reversal of 1131472293 is 3922741311.

It is not a de Polignac number, because 1131472293 - 2¹ = 1131472291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131472291) 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, 40123 + ... + 62231.

It is an arithmetic number, because the mean of its divisors is an integer number (107808360).

Almost surely, 2^1131472293 is an apocalyptic number.

It is an amenable number.

1131472293 is a deficient number, since it is larger than the sum of its proper divisors (593461467).

1131472293 is a wasteful number, since it uses less digits than its factorization.

1131472293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24556.

The product of its digits is 9072, while the sum is 33.

The square root of 1131472293 is about 33637.3645370739. The cubic root of 1131472293 is about 1042.0326042851.

It can be divided in two parts, 113147 and 2293, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 1131472293 in words is "one billion, one hundred thirty-one million, four hundred seventy-two thousand, two hundred ninety-three".