1272373419 has 4 divisors (see below), whose sum is σ = 1696497896. Its totient is φ = 848248944.

The previous prime is 1272373391. The next prime is 1272373423. The reversal of 1272373419 is 9143732721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1272373419 - 2¹⁷ = 1272242347 is a prime.

It is a super-2 number, since 2×1272373419² = 3237868234755499122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1272373469) 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, 212062234 + ... + 212062239.

It is an arithmetic number, because the mean of its divisors is an integer number (424124474).

Almost surely, 2^1272373419 is an apocalyptic number.

1272373419 is a deficient number, since it is larger than the sum of its proper divisors (424124477).

1272373419 is an equidigital number, since it uses as much as digits as its factorization.

1272373419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424124476.

The product of its digits is 63504, while the sum is 39.

The square root of 1272373419 is about 35670.3436905225. The cubic root of 1272373419 is about 1083.6063197705.

The spelling of 1272373419 in words is "one billion, two hundred seventy-two million, three hundred seventy-three thousand, four hundred nineteen".