1244105500 has 48 divisors (see below), whose sum is σ = 2964151008. Its totient is φ = 452400000.

The previous prime is 1244105393. The next prime is 1244105519. The reversal of 1244105500 is 55014421.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 107601 + ... + 118600.

It is an arithmetic number, because the mean of its divisors is an integer number (61753146).

Almost surely, 2^1244105500 is an apocalyptic number.

1244105500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244105500 is an abundant number, since it is smaller than the sum of its proper divisors (1720045508).

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

1244105500 is a wasteful number, since it uses less digits than its factorization.

1244105500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226231 (or 226219 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1244105500 is about 35271.8797344287. The cubic root of 1244105500 is about 1075.5214344332.

Adding to 1244105500 its reverse (55014421), we get a palindrome (1299119921).

The spelling of 1244105500 in words is "one billion, two hundred forty-four million, one hundred five thousand, five hundred".