1142180403 has 32 divisors (see below), whose sum is σ = 1878385152. Its totient is φ = 601171200.

The previous prime is 1142180363. The next prime is 1142180453. The reversal of 1142180403 is 3040812411.

It is not a de Polignac number, because 1142180403 - 2⁹ = 1142179891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142180453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129783 + ... + 138303.

It is an arithmetic number, because the mean of its divisors is an integer number (58699536).

Almost surely, 2^1142180403 is an apocalyptic number.

1142180403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1142180403 is a deficient number, since it is larger than the sum of its proper divisors (736204749).

1142180403 is a wasteful number, since it uses less digits than its factorization.

1142180403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9035.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1142180403 is about 33796.1595895155. The cubic root of 1142180403 is about 1045.3095099009.

Adding to 1142180403 its reverse (3040812411), we get a palindrome (4182992814).

The spelling of 1142180403 in words is "one billion, one hundred forty-two million, one hundred eighty thousand, four hundred three".