1126872231 has 8 divisors (see below), whose sum is σ = 1504842864. Its totient is φ = 750074880.

The previous prime is 1126872223. The next prime is 1126872293. The reversal of 1126872231 is 1322786211.

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

It is not a de Polignac number, because 1126872231 - 2³ = 1126872223 is a prime.

It is a super-2 number, since 2×1126872231² = 2539682049997834722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1126872192 and 1126872201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126872731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291076 + ... + 294921.

It is an arithmetic number, because the mean of its divisors is an integer number (188105358).

Almost surely, 2^1126872231 is an apocalyptic number.

1126872231 is a deficient number, since it is larger than the sum of its proper divisors (377970633).

1126872231 is an equidigital number, since it uses as much as digits as its factorization.

1126872231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586641.

The product of its digits is 8064, while the sum is 33.

The square root of 1126872231 is about 33568.9176322383. The cubic root of 1126872231 is about 1040.6185395337.

The spelling of 1126872231 in words is "one billion, one hundred twenty-six million, eight hundred seventy-two thousand, two hundred thirty-one".