1142036221597 has 2 divisors, whose sum is σ = 1142036221598. Its totient is φ = 1142036221596.

The previous prime is 1142036221589. The next prime is 1142036221609. The reversal of 1142036221597 is 7951226302411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1041728463801 + 100307757796 = 1020651^2 + 316714^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142036221597 - 2³ = 1142036221589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142036222597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571018110798 + 571018110799.

It is an arithmetic number, because the mean of its divisors is an integer number (571018110799).

Almost surely, 2^{1142036221597} is an apocalyptic number.

It is an amenable number.

1142036221597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142036221597 is an equidigital number, since it uses as much as digits as its factorization.

1142036221597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 1142036221597 in words is "one trillion, one hundred forty-two billion, thirty-six million, two hundred twenty-one thousand, five hundred ninety-seven".