1242285603 has 32 divisors (see below), whose sum is σ = 1842571584. Its totient is φ = 739694592.

The previous prime is 1242285589. The next prime is 1242285613. The reversal of 1242285603 is 3065822421.

It is not a de Polignac number, because 1242285603 - 2⁴ = 1242285587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242285613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146775 + ... + 155007.

It is an arithmetic number, because the mean of its divisors is an integer number (57580362).

Almost surely, 2^1242285603 is an apocalyptic number.

1242285603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1242285603 is a deficient number, since it is larger than the sum of its proper divisors (600285981).

1242285603 is a wasteful number, since it uses less digits than its factorization.

1242285603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8375.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1242285603 is about 35246.0721641433. The cubic root of 1242285603 is about 1074.9967486471.

The spelling of 1242285603 in words is "one billion, two hundred forty-two million, two hundred eighty-five thousand, six hundred three".