1243010030 has 32 divisors (see below), whose sum is σ = 2312199648. Its totient is φ = 480816000.

The previous prime is 1243010003. The next prime is 1243010047. The reversal of 1243010030 is 300103421.

It is a junction number, because it is equal to n+sod(n) for n = 1243009987 and 1243010014.

It is a congruent number.

It is an unprimeable number.

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, 29120 + ... + 57740.

It is an arithmetic number, because the mean of its divisors is an integer number (72256239).

Almost surely, 2^1243010030 is an apocalyptic number.

1243010030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243010030 is a deficient number, since it is larger than the sum of its proper divisors (1069189618).

1243010030 is a wasteful number, since it uses less digits than its factorization.

1243010030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28772.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1243010030 is about 35256.3473717854. The cubic root of 1243010030 is about 1075.2056660764.

Adding to 1243010030 its reverse (300103421), we get a palindrome (1543113451).

The spelling of 1243010030 in words is "one billion, two hundred forty-three million, ten thousand, thirty".