1142097503 has 4 divisors (see below), whose sum is σ = 1144641600. Its totient is φ = 1139553408.

The previous prime is 1142097493. The next prime is 1142097533. The reversal of 1142097503 is 3057902411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3057902411 = 293 ⋅10436527.

It is a cyclic number.

It is not a de Polignac number, because 1142097503 - 2⁴ = 1142097487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142097503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142097533) 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, 1271375 + ... + 1272272.

It is an arithmetic number, because the mean of its divisors is an integer number (286160400).

Almost surely, 2^1142097503 is an apocalyptic number.

1142097503 is a deficient number, since it is larger than the sum of its proper divisors (2544097).

1142097503 is an equidigital number, since it uses as much as digits as its factorization.

1142097503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544096.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1142097503 is about 33794.9330965457. The cubic root of 1142097503 is about 1045.2842196010.

Adding to 1142097503 its reverse (3057902411), we get a palindrome (4199999914).

The spelling of 1142097503 in words is "one billion, one hundred forty-two million, ninety-seven thousand, five hundred three".