119420009 has 4 divisors (see below), whose sum is σ = 120180804. Its totient is φ = 118659216.

The previous prime is 119419981. The next prime is 119420017. The reversal of 119420009 is 900024911.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83083225 + 36336784 = 9115^2 + 6028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119420009 is a prime.

It is a super-2 number, since 2×119420009² = 28522277099120162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 119420009.

It is not an unprimeable number, because it can be changed into a prime (119423009) 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, 380162 + ... + 380475.

It is an arithmetic number, because the mean of its divisors is an integer number (30045201).

Almost surely, 2^119420009 is an apocalyptic number.

It is an amenable number.

119420009 is a deficient number, since it is larger than the sum of its proper divisors (760795).

119420009 is an equidigital number, since it uses as much as digits as its factorization.

119420009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760794.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 119420009 is about 10927.9462388868. The cubic root of 119420009 is about 492.4464751540.

The spelling of 119420009 in words is "one hundred nineteen million, four hundred twenty thousand, nine".