1242300403 has 16 divisors (see below), whose sum is σ = 1308245760. Its totient is φ = 1177409376.

The previous prime is 1242300383. The next prime is 1242300413. The reversal of 1242300403 is 3040032421.

It is a de Polignac number, because none of the positive numbers 2^k-1242300403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242300413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445788 + ... + 1446646.

It is an arithmetic number, because the mean of its divisors is an integer number (81765360).

Almost surely, 2^1242300403 is an apocalyptic number.

1242300403 is a deficient number, since it is larger than the sum of its proper divisors (65945357).

1242300403 is a wasteful number, since it uses less digits than its factorization.

1242300403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1242300403 is about 35246.2821159906. The cubic root of 1242300403 is about 1075.0010176302.

Adding to 1242300403 its reverse (3040032421), we get a palindrome (4282332824).

The spelling of 1242300403 in words is "one billion, two hundred forty-two million, three hundred thousand, four hundred three".