119696861 has 2 divisors, whose sum is σ = 119696862. Its totient is φ = 119696860.

The previous prime is 119696851. The next prime is 119696869. The reversal of 119696861 is 168696911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104244100 + 15452761 = 10210^2 + 3931^2 .

It is an emirp because it is prime and its reverse (168696911) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 198969611 and 116969891.

It is a cyclic number.

It is not a de Polignac number, because 119696861 - 2¹⁸ = 119434717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119696869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59848430 + 59848431.

It is an arithmetic number, because the mean of its divisors is an integer number (59848431).

Almost surely, 2^119696861 is an apocalyptic number.

It is an amenable number.

119696861 is a deficient number, since it is larger than the sum of its proper divisors (1).

119696861 is an equidigital number, since it uses as much as digits as its factorization.

119696861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 47.

The square root of 119696861 is about 10940.6060618231. The cubic root of 119696861 is about 492.8267284939.

Subtracting 119696861 from its reverse (168696911), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 119696861 in words is "one hundred nineteen million, six hundred ninety-six thousand, eight hundred sixty-one".