1142006197 has 2 divisors, whose sum is σ = 1142006198. Its totient is φ = 1142006196.

The previous prime is 1142006171. The next prime is 1142006207. The reversal of 1142006197 is 7916002411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1031630161 + 110376036 = 32119^2 + 10506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142006197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142006797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571003098 + 571003099.

It is an arithmetic number, because the mean of its divisors is an integer number (571003099).

Almost surely, 2^1142006197 is an apocalyptic number.

It is an amenable number.

1142006197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142006197 is an equidigital number, since it uses as much as digits as its factorization.

1142006197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1142006197 is about 33793.5821865632. The cubic root of 1142006197 is about 1045.2563634666.

The spelling of 1142006197 in words is "one billion, one hundred forty-two million, six thousand, one hundred ninety-seven".