119691097 has 2 divisors, whose sum is σ = 119691098. Its totient is φ = 119691096.

The previous prime is 119691079. The next prime is 119691109. The reversal of 119691097 is 790196911.

It is a happy number.

Together with previous prime (119691079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118897216 + 793881 = 10904^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 119691097 - 2²³ = 111302489 is a prime.

It is not a weakly prime, because it can be changed into another prime (119691017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59845548 + 59845549.

It is an arithmetic number, because the mean of its divisors is an integer number (59845549).

Almost surely, 2^119691097 is an apocalyptic number.

It is an amenable number.

119691097 is a deficient number, since it is larger than the sum of its proper divisors (1).

119691097 is an equidigital number, since it uses as much as digits as its factorization.

119691097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 43.

The square root of 119691097 is about 10940.3426363163. The cubic root of 119691097 is about 492.8188176798.

The spelling of 119691097 in words is "one hundred nineteen million, six hundred ninety-one thousand, ninety-seven".