1235240142 has 8 divisors (see below), whose sum is σ = 2470480296. Its totient is φ = 411746712.

The previous prime is 1235240117. The next prime is 1235240161. The reversal of 1235240142 is 2410425321.

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

1235240142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102936673 + ... + 102936684.

It is an arithmetic number, because the mean of its divisors is an integer number (308810037).

Almost surely, 2^1235240142 is an apocalyptic number.

1235240142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1235240142 is a wasteful number, since it uses less digits than its factorization.

1235240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205873362.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1235240142 is about 35145.9832982377. The cubic root of 1235240142 is about 1072.9606599614.

Adding to 1235240142 its reverse (2410425321), we get a palindrome (3645665463).

The spelling of 1235240142 in words is "one billion, two hundred thirty-five million, two hundred forty thousand, one hundred forty-two".