1244122000 has 240 divisors, whose sum is σ = 3403750896. Its totient is φ = 439296000.

The previous prime is 1244121997. The next prime is 1244122031. The reversal of 1244122000 is 2214421.

It can be written as a sum of positive squares in 8 ways, for example, as 303595776 + 940526224 = 17424^2 + 30668^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 12825952 + ... + 12826048.

Almost surely, 2^1244122000 is an apocalyptic number.

1244122000 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 1244122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701875448).

1244122000 is an abundant number, since it is smaller than the sum of its proper divisors (2159628896).

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

1244122000 is a wasteful number, since it uses less digits than its factorization.

1244122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1244122000 is about 35272.1136310259. The cubic root of 1244122000 is about 1075.5261891278.

Adding to 1244122000 its reverse (2214421), we get a palindrome (1246336421).

The spelling of 1244122000 in words is "one billion, two hundred forty-four million, one hundred twenty-two thousand".