1243420010 has 16 divisors (see below), whose sum is σ = 2557892736. Its totient is φ = 426315408.

The previous prime is 1243419977. The next prime is 1243420033. The reversal of 1243420010 is 100243421.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8881502 + ... + 8881641.

It is an arithmetic number, because the mean of its divisors is an integer number (159868296).

Almost surely, 2^1243420010 is an apocalyptic number.

1243420010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243420010 is an abundant number, since it is smaller than the sum of its proper divisors (1314472726).

1243420010 is a wasteful number, since it uses less digits than its factorization.

1243420010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17763157.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1243420010 is about 35262.1611646252. The cubic root of 1243420010 is about 1075.3238642011.

Adding to 1243420010 its reverse (100243421), we get a palindrome (1343663431).

The spelling of 1243420010 in words is "one billion, two hundred forty-three million, four hundred twenty thousand, ten".