1298088 has 72 divisors (see below), whose sum is σ = 3890250. Its totient is φ = 390720.

The previous prime is 1298057. The next prime is 1298111. The reversal of 1298088 is 8808921.

It can be written as a sum of positive squares in only one way, i.e., 1258884 + 39204 = 1122^2 + 198^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

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 17 ways as a sum of consecutive naturals, for example, 8638 + ... + 8786.

2^1298088 is an apocalyptic number.

1298088 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 1298088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945125).

1298088 is an abundant number, since it is smaller than the sum of its proper divisors (2592162).

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

1298088 is a wasteful number, since it uses less digits than its factorization.

1298088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1298088 is about 1139.3366491077. The cubic root of 1298088 is about 109.0857558172.

The spelling of 1298088 in words is "one million, two hundred ninety-eight thousand, eighty-eight".