1121871282 has 16 divisors (see below), whose sum is σ = 2564277312. Its totient is φ = 320534640.

The previous prime is 1121871281. The next prime is 1121871301. The reversal of 1121871282 is 2821781211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1121871281) 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, 13355569 + ... + 13355652.

It is an arithmetic number, because the mean of its divisors is an integer number (160267332).

Almost surely, 2^1121871282 is an apocalyptic number.

1121871282 is an abundant number, since it is smaller than the sum of its proper divisors (1442406030).

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

1121871282 is a wasteful number, since it uses less digits than its factorization.

1121871282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26711233.

The product of its digits is 3584, while the sum is 33.

The square root of 1121871282 is about 33494.3470155786. The cubic root of 1121871282 is about 1039.0768688402.

The spelling of 1121871282 in words is "one billion, one hundred twenty-one million, eight hundred seventy-one thousand, two hundred eighty-two".