1273134000 has 160 divisors (see below), whose sum is σ = 4167161856. Its totient is φ = 334329600.

The previous prime is 1273133971. The next prime is 1273134011. The reversal of 1273134000 is 4313721.

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 31 ways as a sum of consecutive naturals, for example, 400417 + ... + 403583.

Almost surely, 2^1273134000 is an apocalyptic number.

1273134000 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 1273134000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083580928).

1273134000 is an abundant number, since it is smaller than the sum of its proper divisors (2894027856).

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

1273134000 is a wasteful number, since it uses less digits than its factorization.

1273134000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260 (or 3244 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1273134000 is about 35681.0033491212. The cubic root of 1273134000 is about 1083.8221909396.

Adding to 1273134000 its reverse (4313721), we get a palindrome (1277447721).

The spelling of 1273134000 in words is "one billion, two hundred seventy-three million, one hundred thirty-four thousand".