1012998 has 32 divisors (see below), whose sum is σ = 2350080. Its totient is φ = 285120.

The previous prime is 1012997. The next prime is 1013003. The reversal of 1012998 is 8992101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012993) by changing a digit.

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, 3603 + ... + 3873.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2^1012998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175040).

1012998 is an abundant number, since it is smaller than the sum of its proper divisors (1337082).

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

1012998 is a wasteful number, since it uses less digits than its factorization.

1012998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 1012998 is about 1006.4780176437. The cubic root of 1012998 is about 100.4314029057.

The spelling of 1012998 in words is "one million, twelve thousand, nine hundred ninety-eight".