1244460 has 48 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 284352.

The previous prime is 1244459. The next prime is 1244471. The reversal of 1244460 is 644421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 11.

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, 1062 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (82992).

2^1244460 is an apocalyptic number.

1244460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244460 is an abundant number, since it is smaller than the sum of its proper divisors (2739156).

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

1244460 is a wasteful number, since it uses less digits than its factorization.

1244460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1244460 is about 1115.5536741905. The cubic root of 1244460 is about 107.5623579077.

Adding to 1244460 its reverse (644421), we get a palindrome (1888881).

The spelling of 1244460 in words is "one million, two hundred forty-four thousand, four hundred sixty".