1043742250 has 64 divisors (see below), whose sum is σ = 2045515680. Its totient is φ = 398361600.

The previous prime is 1043742221. The next prime is 1043742283. The reversal of 1043742250 is 522473401.

It is a Cunningham number, because it is equal to 32307²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 1 + 1043742249 = 1^2 + 32307^2 .

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 31 ways as a sum of consecutive naturals, for example, 489186 + ... + 491314.

Almost surely, 2^1043742250 is an apocalyptic number.

1043742250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1043742250 is a deficient number, since it is larger than the sum of its proper divisors (1001773430).

1043742250 is a wasteful number, since it uses less digits than its factorization.

1043742250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1043742250 is about 32307.0000154765. Note that the first 4 decimals coincide. The cubic root of 1043742250 is about 1014.3731721471.

The spelling of 1043742250 in words is "one billion, forty-three million, seven hundred forty-two thousand, two hundred fifty".