1274433280 has 36 divisors (see below), whose sum is σ = 3052669032. Its totient is φ = 509772800.

The previous prime is 1274433263. The next prime is 1274433287. The reversal of 1274433280 is 823344721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274433287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496546 + ... + 499105.

It is an arithmetic number, because the mean of its divisors is an integer number (84796362).

Almost surely, 2^1274433280 is an apocalyptic number.

1274433280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1274433280 is an abundant number, since it is smaller than the sum of its proper divisors (1778235752).

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

1274433280 is an frugal number, since it uses more digits than its factorization.

1274433280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995672 (or 995658 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 1274433280 is about 35699.2055934022. The cubic root of 1274433280 is about 1084.1907590379.

The spelling of 1274433280 in words is "one billion, two hundred seventy-four million, four hundred thirty-three thousand, two hundred eighty".