119031985 has 4 divisors (see below), whose sum is σ = 142838388. Its totient is φ = 95225584.

The previous prime is 119031973. The next prime is 119031989. The reversal of 119031985 is 589130911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589130911 = 29 ⋅20314859.

It can be written as a sum of positive squares in 2 ways, for example, as 74356129 + 44675856 = 8623^2 + 6684^2 .

It is a cyclic number.

It is not a de Polignac number, because 119031985 - 2¹⁷ = 118900913 is a prime.

It is a super-2 number, since 2×119031985² = 28337226906080450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119031989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11903194 + ... + 11903203.

It is an arithmetic number, because the mean of its divisors is an integer number (35709597).

Almost surely, 2^119031985 is an apocalyptic number.

It is an amenable number.

119031985 is a deficient number, since it is larger than the sum of its proper divisors (23806403).

119031985 is an equidigital number, since it uses as much as digits as its factorization.

119031985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23806402.

The product of its (nonzero) digits is 9720, while the sum is 37.

The square root of 119031985 is about 10910.1780462099. The cubic root of 119031985 is about 491.9125378823.

The spelling of 119031985 in words is "one hundred nineteen million, thirty-one thousand, nine hundred eighty-five".