1272611922 has 8 divisors (see below), whose sum is σ = 2545223856. Its totient is φ = 424203972.

The previous prime is 1272611911. The next prime is 1272611941. The reversal of 1272611922 is 2291162721.

It is a sphenic number, since it is the product of 3 distinct primes.

1272611922 is an admirable number.

It is a super-2 number, since 2×1272611922² = 3239082208033068168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106050988 + ... + 106050999.

It is an arithmetic number, because the mean of its divisors is an integer number (318152982).

Almost surely, 2^1272611922 is an apocalyptic number.

1272611922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272611922 is a wasteful number, since it uses less digits than its factorization.

1272611922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212101992.

The product of its digits is 6048, while the sum is 33.

The square root of 1272611922 is about 35673.6866892111. The cubic root of 1272611922 is about 1083.6740219109.

The spelling of 1272611922 in words is "one billion, two hundred seventy-two million, six hundred eleven thousand, nine hundred twenty-two".