1244030120 has 16 divisors (see below), whose sum is σ = 2799067860. Its totient is φ = 497612032.

The previous prime is 1244030113. The next prime is 1244030147. The reversal of 1244030120 is 210304421.

It can be written as a sum of positive squares in 2 ways, for example, as 1118634916 + 125395204 = 33446^2 + 11198^2 .

It is a super-2 number, since 2×1244030120² = 3095221878934428800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15550337 + ... + 15550416.

Almost surely, 2^1244030120 is an apocalyptic number.

1244030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244030120 is an abundant number, since it is smaller than the sum of its proper divisors (1555037740).

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

1244030120 is a wasteful number, since it uses less digits than its factorization.

1244030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31100764 (or 31100760 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1244030120 is about 35270.8111616390. The cubic root of 1244030120 is about 1075.4997121481.

Adding to 1244030120 its reverse (210304421), we get a palindrome (1454334541).

The spelling of 1244030120 in words is "one billion, two hundred forty-four million, thirty thousand, one hundred twenty".