1282272980 has 12 divisors (see below), whose sum is σ = 2692773300. Its totient is φ = 512909184.

The previous prime is 1282272949. The next prime is 1282273033. The reversal of 1282272980 is 892722821.

It can be written as a sum of positive squares in 2 ways, for example, as 1020674704 + 261598276 = 31948^2 + 16174^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32056805 + ... + 32056844.

It is an arithmetic number, because the mean of its divisors is an integer number (224397775).

Almost surely, 2^1282272980 is an apocalyptic number.

1282272980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1282272980 is an abundant number, since it is smaller than the sum of its proper divisors (1410500320).

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

1282272980 is a wasteful number, since it uses less digits than its factorization.

1282272980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64113658 (or 64113656 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1282272980 is about 35808.8394115196. The cubic root of 1282272980 is about 1086.4093558570.

The spelling of 1282272980 in words is "one billion, two hundred eighty-two million, two hundred seventy-two thousand, nine hundred eighty".