1152442135 has 16 divisors (see below), whose sum is σ = 1507260384. Its totient is φ = 840776832.

The previous prime is 1152442133. The next prime is 1152442147. The reversal of 1152442135 is 5312442511.

It is a cyclic number.

It is not a de Polignac number, because 1152442135 - 2¹ = 1152442133 is a prime.

It is a super-4 number, since 4×1152442135⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152442133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101412 + ... + 112201.

It is an arithmetic number, because the mean of its divisors is an integer number (94203774).

Almost surely, 2^1152442135 is an apocalyptic number.

1152442135 is a deficient number, since it is larger than the sum of its proper divisors (354818249).

1152442135 is a wasteful number, since it uses less digits than its factorization.

1152442135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213714.

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

The square root of 1152442135 is about 33947.6381358115. The cubic root of 1152442135 is about 1048.4306518143.

Adding to 1152442135 its reverse (5312442511), we get a palindrome (6464884646).

The spelling of 1152442135 in words is "one billion, one hundred fifty-two million, four hundred forty-two thousand, one hundred thirty-five".