119643885 has 20 divisors (see below), whose sum is σ = 214473468. Its totient is φ = 63809856.

The previous prime is 119643883. The next prime is 119643889. The reversal of 119643885 is 588346911.

It can be written as a sum of positive squares in 2 ways, for example, as 72488196 + 47155689 = 8514^2 + 6867^2 .

It is not a de Polignac number, because 119643885 - 2¹ = 119643883 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 119643885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119643883) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 147304 + ... + 148113.

Almost surely, 2^119643885 is an apocalyptic number.

119643885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

119643885 is a deficient number, since it is larger than the sum of its proper divisors (94829583).

119643885 is an equidigital number, since it uses as much as digits as its factorization.

119643885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295434 (or 295425 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 119643885 is about 10938.1847214243. The cubic root of 119643885 is about 492.7540119076.

The spelling of 119643885 in words is "one hundred nineteen million, six hundred forty-three thousand, eight hundred eighty-five".