1273231464 has 32 divisors (see below), whose sum is σ = 3192117120. Its totient is φ = 423205376.

The previous prime is 1273231429. The next prime is 1273231489. The reversal of 1273231464 is 4641323721.

It is a super-2 number, since 2×1273231464² = 3242236721839166592, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 66672 + ... + 83615.

It is an arithmetic number, because the mean of its divisors is an integer number (99753660).

Almost surely, 2^1273231464 is an apocalyptic number.

It is an amenable number.

1273231464 is an abundant number, since it is smaller than the sum of its proper divisors (1918885656).

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

1273231464 is a wasteful number, since it uses less digits than its factorization.

1273231464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150649 (or 150645 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 1273231464 is about 35682.3690917517. The cubic root of 1273231464 is about 1083.8498473504.

The spelling of 1273231464 in words is "one billion, two hundred seventy-three million, two hundred thirty-one thousand, four hundred sixty-four".