1243054050 has 144 divisors (see below), whose sum is σ = 3654891072. Its totient is φ = 278678400.

The previous prime is 1243054049. The next prime is 1243054051. The reversal of 1243054050 is 504503421.

It is an interprime number because it is at equal distance from previous prime (1243054049) and next prime (1243054051).

It is a self number, because there is not a number n which added to its sum of digits gives 1243054050.

It is not an unprimeable number, because it can be changed into a prime (1243054051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 387955 + ... + 391145.

It is an arithmetic number, because the mean of its divisors is an integer number (25381188).

Almost surely, 2^1243054050 is an apocalyptic number.

1243054050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1243054050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1827445536).

1243054050 is an abundant number, since it is smaller than the sum of its proper divisors (2411837022).

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

1243054050 is a wasteful number, since it uses less digits than its factorization.

1243054050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3261 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1243054050 is about 35256.9716510083. The cubic root of 1243054050 is about 1075.2183583834.

Adding to 1243054050 its reverse (504503421), we get a palindrome (1747557471).

The spelling of 1243054050 in words is "one billion, two hundred forty-three million, fifty-four thousand, fifty".