1283080860 has 36 divisors (see below), whose sum is σ = 3892012488. Its totient is φ = 342154848.

The previous prime is 1283080859. The next prime is 1283080861. The reversal of 1283080860 is 680803821.

It is an interprime number because it is at equal distance from previous prime (1283080859) and next prime (1283080861).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283080861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3563934 + ... + 3564293.

It is an arithmetic number, because the mean of its divisors is an integer number (108111458).

Almost surely, 2^1283080860 is an apocalyptic number.

1283080860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1283080860 is an abundant number, since it is smaller than the sum of its proper divisors (2608931628).

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

1283080860 is a wasteful number, since it uses less digits than its factorization.

1283080860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128242 (or 7128237 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1283080860 is about 35820.1180902576. The cubic root of 1283080860 is about 1086.6374674846.

The spelling of 1283080860 in words is "one billion, two hundred eighty-three million, eighty thousand, eight hundred sixty".