1244123030 has 32 divisors (see below), whose sum is σ = 2261175264. Its totient is φ = 492833536.

The previous prime is 1244123017. The next prime is 1244123033. The reversal of 1244123030 is 303214421.

It is a super-2 number, since 2×1244123030² = 3095684227552761800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1244122993 and 1244123011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244123033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770504 + ... + 772116.

It is an arithmetic number, because the mean of its divisors is an integer number (70661727).

Almost surely, 2^1244123030 is an apocalyptic number.

1244123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244123030 is a deficient number, since it is larger than the sum of its proper divisors (1017052234).

1244123030 is a wasteful number, since it uses less digits than its factorization.

1244123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1244123030 is about 35272.1282317923. The cubic root of 1244123030 is about 1075.5264859346.

Adding to 1244123030 its reverse (303214421), we get a palindrome (1547337451).

The spelling of 1244123030 in words is "one billion, two hundred forty-four million, one hundred twenty-three thousand, thirty".