119597987 has 2 divisors, whose sum is σ = 119597988. Its totient is φ = 119597986.

The previous prime is 119597983. The next prime is 119598013. The reversal of 119597987 is 789795911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 119597987 - 2² = 119597983 is a prime.

It is not a weakly prime, because it can be changed into another prime (119597981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59798993 + 59798994.

It is an arithmetic number, because the mean of its divisors is an integer number (59798994).

Almost surely, 2^119597987 is an apocalyptic number.

119597987 is a deficient number, since it is larger than the sum of its proper divisors (1).

119597987 is an equidigital number, since it uses as much as digits as its factorization.

119597987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 56.

The square root of 119597987 is about 10936.0864572296. The cubic root of 119597987 is about 492.6909934583.

The spelling of 119597987 in words is "one hundred nineteen million, five hundred ninety-seven thousand, nine hundred eighty-seven".