975142199 has 2 divisors, whose sum is σ = 975142200. Its totient is φ = 975142198.

The previous prime is 975142127. The next prime is 975142243. The reversal of 975142199 is 991241579.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 975142199 - 2²⁸ = 706706743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975142099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487571099 + 487571100.

It is an arithmetic number, because the mean of its divisors is an integer number (487571100).

Almost surely, 2^975142199 is an apocalyptic number.

975142199 is a deficient number, since it is larger than the sum of its proper divisors (1).

975142199 is an equidigital number, since it uses as much as digits as its factorization.

975142199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 47.

The square root of 975142199 is about 31227.2669153098. The cubic root of 975142199 is about 991.6444454907.

The spelling of 975142199 in words is "nine hundred seventy-five million, one hundred forty-two thousand, one hundred ninety-nine".