1371199 has 4 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 1366480.

The previous prime is 1371193. The next prime is 1371217. The reversal of 1371199 is 9911731.

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 1371199 - 2⁹ = 1370687 is a prime.

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 1371199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1894 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

2^1371199 is an apocalyptic number.

1371199 is a deficient number, since it is larger than the sum of its proper divisors (4721).

1371199 is an equidigital number, since it uses as much as digits as its factorization.

1371199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720.

The product of its digits is 1701, while the sum is 31.

The square root of 1371199 is about 1170.9820664724. The cubic root of 1371199 is about 111.0964451383.

The spelling of 1371199 in words is "one million, three hundred seventy-one thousand, one hundred ninety-nine".