1275414720 has 112 divisors (see below), whose sum is σ = 4059936000. Its totient is φ = 339229696.

The previous prime is 1275414719. The next prime is 1275414727. The reversal of 1275414720 is 274145721.

It is not an unprimeable number, because it can be changed into a prime (1275414727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423781 + ... + 426779.

Almost surely, 2^1275414720 is an apocalyptic number.

1275414720 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 1275414720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2029968000).

1275414720 is an abundant number, since it is smaller than the sum of its proper divisors (2784521280).

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

1275414720 is a wasteful number, since it uses less digits than its factorization.

1275414720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 1275414720 is about 35712.9489121243. The cubic root of 1275414720 is about 1084.4689990907.

The spelling of 1275414720 in words is "one billion, two hundred seventy-five million, four hundred fourteen thousand, seven hundred twenty".