1244988 has 18 divisors (see below), whose sum is σ = 3147144. Its totient is φ = 414984.

The previous prime is 1244987. The next prime is 1244989. The reversal of 1244988 is 8894421.

It is an interprime number because it is at equal distance from previous prime (1244987) and next prime (1244989).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 34583 = 1244988 / (1 + 2 + 4 + 4 + 9 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17256 + ... + 17327.

2^1244988 is an apocalyptic number.

1244988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1244988 is an abundant number, since it is smaller than the sum of its proper divisors (1902156).

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

1244988 is a wasteful number, since it uses less digits than its factorization.

1244988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34593 (or 34588 counting only the distinct ones).

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

The square root of 1244988 is about 1115.7903028795. The cubic root of 1244988 is about 107.5775679573.

The spelling of 1244988 in words is "one million, two hundred forty-four thousand, nine hundred eighty-eight".