1273182080 has 64 divisors (see below), whose sum is σ = 3063329280. Its totient is φ = 505989120.

The previous prime is 1273182067. The next prime is 1273182083. The reversal of 1273182080 is 802813721.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273182083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94145 + ... + 106815.

It is an arithmetic number, because the mean of its divisors is an integer number (47864520).

Almost surely, 2^1273182080 is an apocalyptic number.

1273182080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1273182080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531664640).

1273182080 is an abundant number, since it is smaller than the sum of its proper divisors (1790147200).

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

1273182080 is a wasteful number, since it uses less digits than its factorization.

1273182080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12847 (or 12835 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1273182080 is about 35681.6770906301. The cubic root of 1273182080 is about 1083.8358343097.

The spelling of 1273182080 in words is "one billion, two hundred seventy-three million, one hundred eighty-two thousand, eighty".