1379243 has 8 divisors (see below), whose sum is σ = 1422960. Its totient is φ = 1336320.

The previous prime is 1379239. The next prime is 1379251. The reversal of 1379243 is 3429731.

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

It is a cyclic number.

It is not a de Polignac number, because 1379243 - 2² = 1379239 is a prime.

It is a super-2 number, since 2×1379243² = 3804622506098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379263) 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 7 ways as a sum of consecutive naturals, for example, 5603 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (177870).

2^1379243 is an apocalyptic number.

1379243 is a deficient number, since it is larger than the sum of its proper divisors (43717).

1379243 is an equidigital number, since it uses as much as digits as its factorization.

1379243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its digits is 4536, while the sum is 29.

The square root of 1379243 is about 1174.4117676522. The cubic root of 1379243 is about 111.3132670478.

The spelling of 1379243 in words is "one million, three hundred seventy-nine thousand, two hundred forty-three".