1101273456 has 40 divisors (see below), whose sum is σ = 2848309264. Its totient is φ = 366658560.

The previous prime is 1101273431. The next prime is 1101273461. The reversal of 1101273456 is 6543721011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29016 + ... + 55176.

Almost surely, 2^1101273456 is an apocalyptic number.

1101273456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1101273456 is an abundant number, since it is smaller than the sum of its proper divisors (1747035808).

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

1101273456 is a wasteful number, since it uses less digits than its factorization.

1101273456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27049 (or 27043 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1101273456 is about 33185.4404219682. The cubic root of 1101273456 is about 1032.6783143498.

Adding to 1101273456 its reverse (6543721011), we get a palindrome (7644994467).

The spelling of 1101273456 in words is "one billion, one hundred one million, two hundred seventy-three thousand, four hundred fifty-six".