119837891 has 2 divisors, whose sum is σ = 119837892. Its totient is φ = 119837890.

The previous prime is 119837881. The next prime is 119837903. The reversal of 119837891 is 198738911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 119837891 - 2¹⁰ = 119836867 is a prime.

It is a super-2 number, since 2×119837891² = 28722240238655762, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (119837881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59918945 + 59918946.

It is an arithmetic number, because the mean of its divisors is an integer number (59918946).

Almost surely, 2^119837891 is an apocalyptic number.

119837891 is a deficient number, since it is larger than the sum of its proper divisors (1).

119837891 is an equidigital number, since it uses as much as digits as its factorization.

119837891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 47.

The square root of 119837891 is about 10947.0494198208. The cubic root of 119837891 is about 493.0202063454.

The spelling of 119837891 in words is "one hundred nineteen million, eight hundred thirty-seven thousand, eight hundred ninety-one".