1235254142 has 8 divisors (see below), whose sum is σ = 1853253336. Its totient is φ = 617503032.

The previous prime is 1235254133. The next prime is 1235254157. The reversal of 1235254142 is 2414525321.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 49028 + ... + 69815.

It is an arithmetic number, because the mean of its divisors is an integer number (231656667).

Almost surely, 2^1235254142 is an apocalyptic number.

1235254142 is a deficient number, since it is larger than the sum of its proper divisors (617999194).

1235254142 is a wasteful number, since it uses less digits than its factorization.

1235254142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124042.

The product of its digits is 9600, while the sum is 29.

The square root of 1235254142 is about 35146.1824669480. The cubic root of 1235254142 is about 1072.9647135302.

Adding to 1235254142 its reverse (2414525321), we get a palindrome (3649779463).

The spelling of 1235254142 in words is "one billion, two hundred thirty-five million, two hundred fifty-four thousand, one hundred forty-two".