1299080 has 32 divisors (see below), whose sum is σ = 2989440. Its totient is φ = 507840.

The previous prime is 1299079. The next prime is 1299097. The reversal of 1299080 is 809921.

1299080 = T₅₉ + T₆₀ + ... + T₁₉₉.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (93420).

2^1299080 is an apocalyptic number.

1299080 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 1299080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494720).

1299080 is an abundant number, since it is smaller than the sum of its proper divisors (1690360).

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

1299080 is a wasteful number, since it uses less digits than its factorization.

1299080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1299080 is about 1139.7719070060. The cubic root of 1299080 is about 109.1135365521.

The spelling of 1299080 in words is "one million, two hundred ninety-nine thousand, eighty".