1142136122 has 8 divisors (see below), whose sum is σ = 1715095776. Its totient is φ = 570437532.

The previous prime is 1142136067. The next prime is 1142136137. The reversal of 1142136122 is 2216312411.

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

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, 312998 + ... + 316625.

It is an arithmetic number, because the mean of its divisors is an integer number (214386972).

Almost surely, 2^1142136122 is an apocalyptic number.

1142136122 is a deficient number, since it is larger than the sum of its proper divisors (572959654).

1142136122 is an equidigital number, since it uses as much as digits as its factorization.

1142136122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630532.

The product of its digits is 576, while the sum is 23.

The square root of 1142136122 is about 33795.5044643515. The cubic root of 1142136122 is about 1045.2960012501.

Adding to 1142136122 its reverse (2216312411), we get a palindrome (3358448533).

The spelling of 1142136122 in words is "one billion, one hundred forty-two million, one hundred thirty-six thousand, one hundred twenty-two".