1240888 has 32 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 552160.

The previous prime is 1240861. The next prime is 1240931. The reversal of 1240888 is 8880421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5073 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2^1240888 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 1240888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296000).

1240888 is an abundant number, since it is smaller than the sum of its proper divisors (1351112).

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

1240888 is a wasteful number, since it uses less digits than its factorization.

1240888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 1240888 is about 1113.9515249776. The cubic root of 1240888 is about 107.4593464451.

The spelling of 1240888 in words is "one million, two hundred forty thousand, eight hundred eighty-eight".