1142427603 has 4 divisors (see below), whose sum is σ = 1523236808. Its totient is φ = 761618400.

The previous prime is 1142427563. The next prime is 1142427617. The reversal of 1142427603 is 3067242411.

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

It is not a de Polignac number, because 1142427603 - 2²⁴ = 1125650387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142427623) 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 3 ways as a sum of consecutive naturals, for example, 190404598 + ... + 190404603.

It is an arithmetic number, because the mean of its divisors is an integer number (380809202).

Almost surely, 2^1142427603 is an apocalyptic number.

1142427603 is a deficient number, since it is larger than the sum of its proper divisors (380809205).

1142427603 is an equidigital number, since it uses as much as digits as its factorization.

1142427603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380809204.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1142427603 is about 33799.8166119285. The cubic root of 1142427603 is about 1045.3849159316.

The spelling of 1142427603 in words is "one billion, one hundred forty-two million, four hundred twenty-seven thousand, six hundred three".