117190397 has 2 divisors, whose sum is σ = 117190398. Its totient is φ = 117190396.

The previous prime is 117190391. The next prime is 117190457. The reversal of 117190397 is 793091711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77070841 + 40119556 = 8779^2 + 6334^2 .

It is a cyclic number.

It is not a de Polignac number, because 117190397 - 2¹² = 117186301 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117190397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117190391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58595198 + 58595199.

It is an arithmetic number, because the mean of its divisors is an integer number (58595199).

Almost surely, 2^117190397 is an apocalyptic number.

It is an amenable number.

117190397 is a deficient number, since it is larger than the sum of its proper divisors (1).

117190397 is an equidigital number, since it uses as much as digits as its factorization.

117190397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11907, while the sum is 38.

The square root of 117190397 is about 10825.4513531769. The cubic root of 117190397 is about 489.3624876005.

The spelling of 117190397 in words is "one hundred seventeen million, one hundred ninety thousand, three hundred ninety-seven".