1131841270 has 64 divisors (see below), whose sum is σ = 2486246400. Its totient is φ = 362533248.

The previous prime is 1131841231. The next prime is 1131841289. The reversal of 1131841270 is 721481311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61056 + ... + 77404.

It is an arithmetic number, because the mean of its divisors is an integer number (38847600).

Almost surely, 2^1131841270 is an apocalyptic number.

1131841270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131841270 is an abundant number, since it is smaller than the sum of its proper divisors (1354405130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131841270 is a wasteful number, since it uses less digits than its factorization.

1131841270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16429.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1131841270 is about 33642.8487200475. The cubic root of 1131841270 is about 1042.1458621115.

The spelling of 1131841270 in words is "one billion, one hundred thirty-one million, eight hundred forty-one thousand, two hundred seventy".