1372053218 has 4 divisors (see below), whose sum is σ = 2058079830. Its totient is φ = 686026608.

The previous prime is 1372053209. The next prime is 1372053223. The reversal of 1372053218 is 8123502731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8123502731 = 86423 ⋅93997.

It can be written as a sum of positive squares in only one way, i.e., 936788449 + 435264769 = 30607^2 + 20863^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343013303 + ... + 343013306.

Almost surely, 2^1372053218 is an apocalyptic number.

1372053218 is a deficient number, since it is larger than the sum of its proper divisors (686026612).

1372053218 is an equidigital number, since it uses as much as digits as its factorization.

1372053218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686026611.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1372053218 is about 37041.2367234141. The cubic root of 1372053218 is about 1111.1951032514.

Adding to 1372053218 its reverse (8123502731), we get a palindrome (9495555949).

The spelling of 1372053218 in words is "one billion, three hundred seventy-two million, fifty-three thousand, two hundred eighteen".