1244160420 has 48 divisors (see below), whose sum is σ = 3518157888. Its totient is φ = 328489600.

The previous prime is 1244160383. The next prime is 1244160469. The reversal of 1244160420 is 240614421.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96594 + ... + 108713.

It is an arithmetic number, because the mean of its divisors is an integer number (73294956).

Almost surely, 2^1244160420 is an apocalyptic number.

1244160420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244160420 is an abundant number, since it is smaller than the sum of its proper divisors (2273997468).

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

1244160420 is a wasteful number, since it uses less digits than its factorization.

1244160420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205420 (or 205418 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1244160420 is about 35272.6582496982. The cubic root of 1244160420 is about 1075.5372601993.

Adding to 1244160420 its reverse (240614421), we get a palindrome (1484774841).

The spelling of 1244160420 in words is "one billion, two hundred forty-four million, one hundred sixty thousand, four hundred twenty".