1112142141 has 24 divisors (see below), whose sum is σ = 1812900960. Its totient is φ = 650781600.

The previous prime is 1112142137. The next prime is 1112142169. The reversal of 1112142141 is 1412412111.

It is not a de Polignac number, because 1112142141 - 2² = 1112142137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112142541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190815 + ... + 196556.

It is an arithmetic number, because the mean of its divisors is an integer number (75537540).

Almost surely, 2^1112142141 is an apocalyptic number.

1112142141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112142141 is a deficient number, since it is larger than the sum of its proper divisors (700758819).

1112142141 is a wasteful number, since it uses less digits than its factorization.

1112142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387417 (or 387414 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 1112142141 is about 33348.7951956289. The cubic root of 1112142141 is about 1036.0644345691.

Adding to 1112142141 its reverse (1412412111), we get a palindrome (2524554252).

The spelling of 1112142141 in words is "one billion, one hundred twelve million, one hundred forty-two thousand, one hundred forty-one".