119445661 has 2 divisors, whose sum is σ = 119445662. Its totient is φ = 119445660.

The previous prime is 119445611. The next prime is 119445671. The reversal of 119445661 is 166544911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104960025 + 14485636 = 10245^2 + 3806^2 .

It is a cyclic number.

It is not a de Polignac number, because 119445661 - 2⁹ = 119445149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 119445661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119445611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59722830 + 59722831.

It is an arithmetic number, because the mean of its divisors is an integer number (59722831).

Almost surely, 2^119445661 is an apocalyptic number.

It is an amenable number.

119445661 is a deficient number, since it is larger than the sum of its proper divisors (1).

119445661 is an equidigital number, since it uses as much as digits as its factorization.

119445661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 119445661 is about 10929.1198639232. The cubic root of 119445661 is about 492.4817325974.

The spelling of 119445661 in words is "one hundred nineteen million, four hundred forty-five thousand, six hundred sixty-one".