1142216255 has 8 divisors (see below), whose sum is σ = 1442799600. Its totient is φ = 865679616.

The previous prime is 1142216249. The next prime is 1142216261. The reversal of 1142216255 is 5526122411.

It is an interprime number because it is at equal distance from previous prime (1142216249) and next prime (1142216261).

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

It is a cyclic number.

It is not a de Polignac number, because 1142216255 - 2⁴ = 1142216239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6011570 + ... + 6011759.

It is an arithmetic number, because the mean of its divisors is an integer number (180349950).

Almost surely, 2^1142216255 is an apocalyptic number.

1142216255 is a deficient number, since it is larger than the sum of its proper divisors (300583345).

1142216255 is a wasteful number, since it uses less digits than its factorization.

1142216255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12023353.

The product of its digits is 4800, while the sum is 29.

The square root of 1142216255 is about 33796.6900006495. The cubic root of 1142216255 is about 1045.3204468902.

Adding to 1142216255 its reverse (5526122411), we get a palindrome (6668338666).

The spelling of 1142216255 in words is "one billion, one hundred forty-two million, two hundred sixteen thousand, two hundred fifty-five".