119518643 has 4 divisors (see below), whose sum is σ = 119768640. Its totient is φ = 119268648.

The previous prime is 119518627. The next prime is 119518667. The reversal of 119518643 is 346815911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 119518643 - 2⁴ = 119518627 is a prime.

It is a super-2 number, since 2×119518643² = 28569412049122898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 119518597 and 119518606.

It is not an unprimeable number, because it can be changed into a prime (119518613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124280 + ... + 125237.

It is an arithmetic number, because the mean of its divisors is an integer number (29942160).

Almost surely, 2^119518643 is an apocalyptic number.

119518643 is a deficient number, since it is larger than the sum of its proper divisors (249997).

119518643 is an equidigital number, since it uses as much as digits as its factorization.

119518643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249996.

The product of its digits is 25920, while the sum is 38.

The square root of 119518643 is about 10932.4582322550. The cubic root of 119518643 is about 492.5820152522.

The spelling of 119518643 in words is "one hundred nineteen million, five hundred eighteen thousand, six hundred forty-three".