1298120 has 64 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 461824.

The previous prime is 1298119. The next prime is 1298131. The reversal of 1298120 is 218921.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15599 + ... + 15681.

It is an arithmetic number, because the mean of its divisors is an integer number (51030).

2^1298120 is an apocalyptic number.

1298120 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 1298120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632960).

1298120 is an abundant number, since it is smaller than the sum of its proper divisors (1967800).

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

1298120 is a wasteful number, since it uses less digits than its factorization.

1298120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1298120 is about 1139.3506922805. The cubic root of 1298120 is about 109.0866521908.

The spelling of 1298120 in words is "one million, two hundred ninety-eight thousand, one hundred twenty".