1275073488 has 160 divisors (see below), whose sum is σ = 3991550080. Its totient is φ = 392190336.

The previous prime is 1275073483. The next prime is 1275073507. The reversal of 1275073488 is 8843705721.

It is a super-2 number, since 2×1275073488² = 3251624799600972288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275073483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453495 + ... + 456297.

It is an arithmetic number, because the mean of its divisors is an integer number (24947188).

Almost surely, 2^1275073488 is an apocalyptic number.

1275073488 is a gapful number since it is divisible by the number (18) 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 1275073488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1995775040).

1275073488 is an abundant number, since it is smaller than the sum of its proper divisors (2716476592).

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

1275073488 is an equidigital number, since it uses as much as digits as its factorization.

1275073488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 2821 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 1275073488 is about 35708.1711657150. The cubic root of 1275073488 is about 1084.3722753801.

The spelling of 1275073488 in words is "one billion, two hundred seventy-five million, seventy-three thousand, four hundred eighty-eight".