1320190 has 8 divisors (see below), whose sum is σ = 2376360. Its totient is φ = 528072.

The previous prime is 1320181. The next prime is 1320191. The reversal of 1320190 is 910231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1320190² = 3485803272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320191) 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, 66000 + ... + 66019.

It is an arithmetic number, because the mean of its divisors is an integer number (297045).

2^1320190 is an apocalyptic number.

1320190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320190 is a deficient number, since it is larger than the sum of its proper divisors (1056170).

1320190 is a wasteful number, since it uses less digits than its factorization.

1320190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132026.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1320190 is about 1148.9952132189. The cubic root of 1320190 is about 109.7013939944.

The spelling of 1320190 in words is "one million, three hundred twenty thousand, one hundred ninety".