1372219 has 4 divisors (see below), whose sum is σ = 1409344. Its totient is φ = 1335096.

The previous prime is 1372211. The next prime is 1372243. The reversal of 1372219 is 9122731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9122731 = 53 ⋅172127.

It is a cyclic number.

It is not a de Polignac number, because 1372219 - 2³ = 1372211 is a prime.

It is a super-2 number, since 2×1372219² = 3765969967922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372193 and 1372202.

It is not an unprimeable number, because it can be changed into a prime (1372211) 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, 18507 + ... + 18580.

It is an arithmetic number, because the mean of its divisors is an integer number (352336).

2^1372219 is an apocalyptic number.

1372219 is a deficient number, since it is larger than the sum of its proper divisors (37125).

1372219 is an equidigital number, since it uses as much as digits as its factorization.

1372219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37124.

The product of its digits is 756, while the sum is 25.

The square root of 1372219 is about 1171.4175173694. The cubic root of 1372219 is about 111.1239855822.

The spelling of 1372219 in words is "one million, three hundred seventy-two thousand, two hundred nineteen".