1142310997 has 2 divisors, whose sum is σ = 1142310998. Its totient is φ = 1142310996.

The previous prime is 1142310991. The next prime is 1142311003. The reversal of 1142310997 is 7990132411.

It is a balanced prime because it is at equal distance from previous prime (1142310991) and next prime (1142311003).

It can be written as a sum of positive squares in only one way, i.e., 726518116 + 415792881 = 26954^2 + 20391^2 .

It is an emirp because it is prime and its reverse (7990132411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142310997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142310991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571155498 + 571155499.

It is an arithmetic number, because the mean of its divisors is an integer number (571155499).

Almost surely, 2^1142310997 is an apocalyptic number.

It is an amenable number.

1142310997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142310997 is an equidigital number, since it uses as much as digits as its factorization.

1142310997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1142310997 is about 33798.0916177230. The cubic root of 1142310997 is about 1045.3493477255.

The spelling of 1142310997 in words is "one billion, one hundred forty-two million, three hundred ten thousand, nine hundred ninety-seven".