1142124535 has 4 divisors (see below), whose sum is σ = 1370549448. Its totient is φ = 913699624.

The previous prime is 1142124521. The next prime is 1142124539. The reversal of 1142124535 is 5354212411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5354212411 = 47 ⋅113919413.

It is a cyclic number.

It is not a de Polignac number, because 1142124535 - 2⁷ = 1142124407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142124539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114212449 + ... + 114212458.

It is an arithmetic number, because the mean of its divisors is an integer number (342637362).

Almost surely, 2^1142124535 is an apocalyptic number.

1142124535 is a deficient number, since it is larger than the sum of its proper divisors (228424913).

1142124535 is an equidigital number, since it uses as much as digits as its factorization.

1142124535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228424912.

The product of its digits is 4800, while the sum is 28.

The square root of 1142124535 is about 33795.3330357906. Note that the first 3 decimals coincide. The cubic root of 1142124535 is about 1045.2924663867.

Adding to 1142124535 its reverse (5354212411), we get a palindrome (6496336946).

The spelling of 1142124535 in words is "one billion, one hundred forty-two million, one hundred twenty-four thousand, five hundred thirty-five".