1131473258 has 8 divisors (see below), whose sum is σ = 1697357028. Its totient is φ = 565687584.

The previous prime is 1131473249. The next prime is 1131473261. The reversal of 1131473258 is 8523741311.

It can be written as a sum of positive squares in 2 ways, for example, as 842915089 + 288558169 = 29033^2 + 16987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21860 + ... + 52352.

Almost surely, 2^1131473258 is an apocalyptic number.

1131473258 is a deficient number, since it is larger than the sum of its proper divisors (565883770).

1131473258 is a wasteful number, since it uses less digits than its factorization.

1131473258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49048.

The product of its digits is 20160, while the sum is 35.

The square root of 1131473258 is about 33637.3788812387. The cubic root of 1131473258 is about 1042.0329005248.

The spelling of 1131473258 in words is "one billion, one hundred thirty-one million, four hundred seventy-three thousand, two hundred fifty-eight".