1273241160 has 64 divisors (see below), whose sum is σ = 4244140800. Its totient is φ = 339530688.

The previous prime is 1273241071. The next prime is 1273241237. The reversal of 1273241160 is 611423721.

It is a super-2 number, since 2×1273241160² = 3242286103036291200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588384 + ... + 590543.

It is an arithmetic number, because the mean of its divisors is an integer number (66314700).

Almost surely, 2^1273241160 is an apocalyptic number.

1273241160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1273241160 is an abundant number, since it is smaller than the sum of its proper divisors (2970899640).

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

1273241160 is a wasteful number, since it uses less digits than its factorization.

1273241160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178947 (or 1178937 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1273241160 is about 35682.5049569113. The cubic root of 1273241160 is about 1083.8525986127.

Adding to 1273241160 its reverse (611423721), we get a palindrome (1884664881).

The spelling of 1273241160 in words is "one billion, two hundred seventy-three million, two hundred forty-one thousand, one hundred sixty".