1151235342 has 56 divisors (see below), whose sum is σ = 2741453856. Its totient is φ = 361164096.

The previous prime is 1151235341. The next prime is 1151235347. The reversal of 1151235342 is 2435321511.

1151235342 is a `hidden beast` number, since 1 + 1 + 5 + 123 + 534 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151235341) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1563 + ... + 48009.

Almost surely, 2^1151235342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151235342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370726928).

1151235342 is an abundant number, since it is smaller than the sum of its proper divisors (1590218514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151235342 is an equidigital number, since it uses as much as digits as its factorization.

1151235342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46484 (or 46469 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1151235342 is about 33929.8591509013. The cubic root of 1151235342 is about 1048.0645652732.

Adding to 1151235342 its reverse (2435321511), we get a palindrome (3586556853).

The spelling of 1151235342 in words is "one billion, one hundred fifty-one million, two hundred thirty-five thousand, three hundred forty-two".