1235142115 has 8 divisors (see below), whose sum is σ = 1502474688. Its totient is φ = 974577600.

The previous prime is 1235142109. The next prime is 1235142127. The reversal of 1235142115 is 5112415321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1235142115 - 2³ = 1235142107 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 1235142115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691611 + ... + 1692340.

It is an arithmetic number, because the mean of its divisors is an integer number (187809336).

Almost surely, 2^1235142115 is an apocalyptic number.

1235142115 is a deficient number, since it is larger than the sum of its proper divisors (267332573).

1235142115 is an equidigital number, since it uses as much as digits as its factorization.

1235142115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384029.

The product of its digits is 1200, while the sum is 25.

The square root of 1235142115 is about 35144.5887015341. The cubic root of 1235142115 is about 1072.9322763046.

Adding to 1235142115 its reverse (5112415321), we get a palindrome (6347557436).

The spelling of 1235142115 in words is "one billion, two hundred thirty-five million, one hundred forty-two thousand, one hundred fifteen".