1244100 has 144 divisors (see below), whose sum is σ = 4374720. Its totient is φ = 268800.

The previous prime is 1244099. The next prime is 1244141. The reversal of 1244100 is 14421.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42886 + ... + 42914.

It is an arithmetic number, because the mean of its divisors is an integer number (30380).

2^1244100 is an apocalyptic number.

1244100 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 1244100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2187360).

1244100 is an abundant number, since it is smaller than the sum of its proper divisors (3130620).

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

1244100 is a wasteful number, since it uses less digits than its factorization.

1244100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1244100 is about 1115.3923076658. The cubic root of 1244100 is about 107.5519849526.

Adding to 1244100 its reverse (14421), we get a palindrome (1258521).

It can be divided in two parts, 124 and 4100, that added together give a palindrome (4224).

The spelling of 1244100 in words is "one million, two hundred forty-four thousand, one hundred".