1242200003 has 4 divisors (see below), whose sum is σ = 1355127288. Its totient is φ = 1129272720.

The previous prime is 1242199999. The next prime is 1242200009. The reversal of 1242200003 is 3000022421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1242200003 - 2² = 1242199999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242200009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56463626 + ... + 56463647.

It is an arithmetic number, because the mean of its divisors is an integer number (338781822).

Almost surely, 2^1242200003 is an apocalyptic number.

1242200003 is a deficient number, since it is larger than the sum of its proper divisors (112927285).

1242200003 is a wasteful number, since it uses less digits than its factorization.

1242200003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112927284.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1242200003 is about 35244.8578235180. The cubic root of 1242200003 is about 1074.9720571067.

Adding to 1242200003 its reverse (3000022421), we get a palindrome (4242222424).

The spelling of 1242200003 in words is "one billion, two hundred forty-two million, two hundred thousand, three".