1372254019 has 4 divisors (see below), whose sum is σ = 1372390720. Its totient is φ = 1372117320.

The previous prime is 1372254011. The next prime is 1372254047. The reversal of 1372254019 is 9104522731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9104522731 = 61 ⋅149254471.

It is a cyclic number.

It is not a de Polignac number, because 1372254019 - 2³ = 1372254011 is a prime.

It is a super-2 number, since 2×1372254019² = 3766162185323304722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1372254011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51987 + ... + 73804.

It is an arithmetic number, because the mean of its divisors is an integer number (343097680).

Almost surely, 2^1372254019 is an apocalyptic number.

1372254019 is a deficient number, since it is larger than the sum of its proper divisors (136701).

1372254019 is a wasteful number, since it uses less digits than its factorization.

1372254019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136700.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1372254019 is about 37043.9471304017. The cubic root of 1372254019 is about 1111.2493086813.

The spelling of 1372254019 in words is "one billion, three hundred seventy-two million, two hundred fifty-four thousand, nineteen".