1273234080 has 96 divisors (see below), whose sum is σ = 4221806400. Its totient is φ = 321656832.

The previous prime is 1273234063. The next prime is 1273234087. The reversal of 1273234080 is 804323721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1273234080² = 3242250044946892800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1273234087) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 60685 + ... + 78924.

It is an arithmetic number, because the mean of its divisors is an integer number (43977150).

Almost surely, 2^1273234080 is an apocalyptic number.

1273234080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1273234080 is an abundant number, since it is smaller than the sum of its proper divisors (2948572320).

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

1273234080 is a wasteful number, since it uses less digits than its factorization.

1273234080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139646 (or 139638 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1273234080 is about 35682.4057484918. The cubic root of 1273234080 is about 1083.8505896478.

The spelling of 1273234080 in words is "one billion, two hundred seventy-three million, two hundred thirty-four thousand, eighty".