1142431403 has 8 divisors (see below), whose sum is σ = 1167713280. Its totient is φ = 1117420200.

The previous prime is 1142431379. The next prime is 1142431427. The reversal of 1142431403 is 3041342411.

It is an interprime number because it is at equal distance from previous prime (1142431379) and next prime (1142431427).

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

It is a cyclic number.

It is not a de Polignac number, because 1142431403 - 2²² = 1138237099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142430403) 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 7 ways as a sum of consecutive naturals, for example, 59123 + ... + 76028.

It is an arithmetic number, because the mean of its divisors is an integer number (145964160).

Almost surely, 2^1142431403 is an apocalyptic number.

1142431403 is a deficient number, since it is larger than the sum of its proper divisors (25281877).

1142431403 is a wasteful number, since it uses less digits than its factorization.

1142431403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135337.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1142431403 is about 33799.8728252045. The cubic root of 1142431403 is about 1045.3860750009.

Adding to 1142431403 its reverse (3041342411), we get a palindrome (4183773814).

The spelling of 1142431403 in words is "one billion, one hundred forty-two million, four hundred thirty-one thousand, four hundred three".