1244423130 has 16 divisors (see below), whose sum is σ = 2986615584. Its totient is φ = 331846160.

The previous prime is 1244423123. The next prime is 1244423143. The reversal of 1244423130 is 313244421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244423130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20740356 + ... + 20740415.

It is an arithmetic number, because the mean of its divisors is an integer number (186663474).

Almost surely, 2^1244423130 is an apocalyptic number.

1244423130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244423130 is an abundant number, since it is smaller than the sum of its proper divisors (1742192454).

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

1244423130 is a wasteful number, since it uses less digits than its factorization.

1244423130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41480781.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1244423130 is about 35276.3820423807. The cubic root of 1244423130 is about 1075.6129563619.

Adding to 1244423130 its reverse (313244421), we get a palindrome (1557667551).

The spelling of 1244423130 in words is "one billion, two hundred forty-four million, four hundred twenty-three thousand, one hundred thirty".