1118032997 has 2 divisors, whose sum is σ = 1118032998. Its totient is φ = 1118032996.

The previous prime is 1118032957. The next prime is 1118033009. The reversal of 1118032997 is 7992308111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560789761 + 557243236 = 23681^2 + 23606^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118032997 - 2³⁰ = 44291173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118032957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559016498 + 559016499.

It is an arithmetic number, because the mean of its divisors is an integer number (559016499).

Almost surely, 2^1118032997 is an apocalyptic number.

It is an amenable number.

1118032997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118032997 is an equidigital number, since it uses as much as digits as its factorization.

1118032997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 1118032997 is about 33437.0004186978. Note that the first 3 decimals coincide. The cubic root of 1118032997 is about 1037.8905086698.

The spelling of 1118032997 in words is "one billion, one hundred eighteen million, thirty-two thousand, nine hundred ninety-seven".