1240500 has 48 divisors (see below), whose sum is σ = 3616704. Its totient is φ = 330400.

The previous prime is 1240487. The next prime is 1240511. The reversal of 1240500 is 50421.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087 + ... + 1913.

It is an arithmetic number, because the mean of its divisors is an integer number (75348).

2^1240500 is an apocalyptic number.

1240500 is a gapful number since it is divisible by the number (10) 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 1240500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808352).

1240500 is an abundant number, since it is smaller than the sum of its proper divisors (2376204).

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

1240500 is a wasteful number, since it uses less digits than its factorization.

1240500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1240500 is about 1113.7773565664. Note that the first 3 decimals coincide. The cubic root of 1240500 is about 107.4481451729.

Adding to 1240500 its reverse (50421), we get a palindrome (1290921).

The spelling of 1240500 in words is "one million, two hundred forty thousand, five hundred".