1242488 has 24 divisors (see below), whose sum is σ = 2525400. Its totient is φ = 572832.

The previous prime is 1242487. The next prime is 1242503. The reversal of 1242488 is 8842421.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1242488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242487) 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, 893 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (105225).

2^1242488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262700).

1242488 is an abundant number, since it is smaller than the sum of its proper divisors (1282912).

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

1242488 is a wasteful number, since it uses less digits than its factorization.

1242488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 934 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 1242488 is about 1114.6694577318. The cubic root of 1242488 is about 107.5055126072.

The spelling of 1242488 in words is "one million, two hundred forty-two thousand, four hundred eighty-eight".