1243201010 has 8 divisors (see below), whose sum is σ = 2237761836. Its totient is φ = 497280400.

The previous prime is 1243200979. The next prime is 1243201049. The reversal of 1243201010 is 101023421.

It can be written as a sum of positive squares in 2 ways, for example, as 1231097569 + 12103441 = 35087^2 + 3479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 62160041 + ... + 62160060.

Almost surely, 2^1243201010 is an apocalyptic number.

1243201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243201010 is a deficient number, since it is larger than the sum of its proper divisors (994560826).

1243201010 is a wasteful number, since it uses less digits than its factorization.

1243201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124320108.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1243201010 is about 35259.0557162270. The cubic root of 1243201010 is about 1075.2607292584.

Adding to 1243201010 its reverse (101023421), we get a palindrome (1344224431).

The spelling of 1243201010 in words is "one billion, two hundred forty-three million, two hundred one thousand, ten".