1372841 has 4 divisors (see below), whose sum is σ = 1387092. Its totient is φ = 1358592.

The previous prime is 1372829. The next prime is 1372843. The reversal of 1372841 is 1482731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1482731 = 347 ⋅4273.

It can be written as a sum of positive squares in 2 ways, for example, as 570025 + 802816 = 755^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372841 - 2¹⁰ = 1371817 is a prime.

It is a super-2 number, since 2×1372841² = 3769384822562, 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 1372841.

It is not an unprimeable number, because it can be changed into a prime (1372843) 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, 6980 + ... + 7173.

It is an arithmetic number, because the mean of its divisors is an integer number (346773).

2^1372841 is an apocalyptic number.

It is an amenable number.

1372841 is a deficient number, since it is larger than the sum of its proper divisors (14251).

1372841 is an equidigital number, since it uses as much as digits as its factorization.

1372841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14250.

The product of its digits is 1344, while the sum is 26.

The square root of 1372841 is about 1171.6829776010. The cubic root of 1372841 is about 111.1407731548.

The spelling of 1372841 in words is "one million, three hundred seventy-two thousand, eight hundred forty-one".