1130881997 has 8 divisors (see below), whose sum is σ = 1302303552. Its totient is φ = 961927200.

The previous prime is 1130881991. The next prime is 1130882003. The reversal of 1130881997 is 7991880311.

It is an interprime number because it is at equal distance from previous prime (1130881991) and next prime (1130882003).

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

It is a cyclic number.

It is not a de Polignac number, because 1130881997 - 2⁶ = 1130881933 is a prime.

It is a super-2 number, since 2×1130881997² = 2557788182277416018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130881991) 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, 615704 + ... + 617537.

It is an arithmetic number, because the mean of its divisors is an integer number (162787944).

Almost surely, 2^1130881997 is an apocalyptic number.

It is an amenable number.

1130881997 is a deficient number, since it is larger than the sum of its proper divisors (171421555).

1130881997 is a wasteful number, since it uses less digits than its factorization.

1130881997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233379.

The product of its (nonzero) digits is 108864, while the sum is 47.

The square root of 1130881997 is about 33628.5889831851. The cubic root of 1130881997 is about 1041.8513611733.

The spelling of 1130881997 in words is "one billion, one hundred thirty million, eight hundred eighty-one thousand, nine hundred ninety-seven".