1243552030 has 32 divisors (see below), whose sum is σ = 2567712960. Its totient is φ = 424769280.

The previous prime is 1243552019. The next prime is 1243552049. The reversal of 1243552030 is 302553421.

It is a junction number, because it is equal to n+sod(n) for n = 1243551986 and 1243552004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14191 + ... + 51850.

It is an arithmetic number, because the mean of its divisors is an integer number (80241030).

Almost surely, 2^1243552030 is an apocalyptic number.

1243552030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243552030 is an abundant number, since it is smaller than the sum of its proper divisors (1324160930).

1243552030 is a wasteful number, since it uses less digits than its factorization.

1243552030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66324.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1243552030 is about 35264.0330932240. The cubic root of 1243552030 is about 1075.3619203236.

The spelling of 1243552030 in words is "one billion, two hundred forty-three million, five hundred fifty-two thousand, thirty".