1272848854 has 32 divisors (see below), whose sum is σ = 2086106400. Its totient is φ = 580085760.

The previous prime is 1272848827. The next prime is 1272848867. The reversal of 1272848854 is 4588482721.

It is a super-2 number, since 2×1272848854² = 3240288410258226632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1272848798 and 1272848807.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 190482 + ... + 197050.

It is an arithmetic number, because the mean of its divisors is an integer number (65190825).

Almost surely, 2^1272848854 is an apocalyptic number.

1272848854 is a deficient number, since it is larger than the sum of its proper divisors (813257546).

1272848854 is a wasteful number, since it uses less digits than its factorization.

1272848854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768.

The product of its digits is 1146880, while the sum is 49.

The square root of 1272848854 is about 35677.0073576807. The cubic root of 1272848854 is about 1083.7412697279.

The spelling of 1272848854 in words is "one billion, two hundred seventy-two million, eight hundred forty-eight thousand, eight hundred fifty-four".