1122100142 has 8 divisors (see below), whose sum is σ = 1683314832. Its totient is φ = 560995200.

The previous prime is 1122100139. The next prime is 1122100169. The reversal of 1122100142 is 2410012211.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6542 + ... + 47822.

It is an arithmetic number, because the mean of its divisors is an integer number (210414354).

Almost surely, 2^1122100142 is an apocalyptic number.

1122100142 is a deficient number, since it is larger than the sum of its proper divisors (561214690).

1122100142 is a wasteful number, since it uses less digits than its factorization.

1122100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54874.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1122100142 is about 33497.7632387597. The cubic root of 1122100142 is about 1039.1475207256.

Adding to 1122100142 its reverse (2410012211), we get a palindrome (3532112353).

The spelling of 1122100142 in words is "one billion, one hundred twenty-two million, one hundred thousand, one hundred forty-two".