1142017997 has 2 divisors, whose sum is σ = 1142017998. Its totient is φ = 1142017996.

The previous prime is 1142017991. The next prime is 1142018039. The reversal of 1142017997 is 7997102411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 896343721 + 245674276 = 29939^2 + 15674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142017997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142017991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571008998 + 571008999.

It is an arithmetic number, because the mean of its divisors is an integer number (571008999).

Almost surely, 2^1142017997 is an apocalyptic number.

It is an amenable number.

1142017997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142017997 is an equidigital number, since it uses as much as digits as its factorization.

1142017997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 1142017997 is about 33793.7567754756. The cubic root of 1142017997 is about 1045.2599635588.

The spelling of 1142017997 in words is "one billion, one hundred forty-two million, seventeen thousand, nine hundred ninety-seven".