1122142124 has 24 divisors (see below), whose sum is σ = 2119793760. Its totient is φ = 518169344.

The previous prime is 1122142117. The next prime is 1122142127. The reversal of 1122142124 is 4212412211.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1122142096 and 1122142105.

It is not an unprimeable number, because it can be changed into a prime (1122142127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207629 + ... + 212964.

It is an arithmetic number, because the mean of its divisors is an integer number (88324740).

Almost surely, 2^1122142124 is an apocalyptic number.

It is an amenable number.

1122142124 is a deficient number, since it is larger than the sum of its proper divisors (997651636).

1122142124 is a wasteful number, since it uses less digits than its factorization.

1122142124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420649 (or 420647 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 1122142124 is about 33498.3898717535. The cubic root of 1122142124 is about 1039.1604800404.

Adding to 1122142124 its reverse (4212412211), we get a palindrome (5334554335).

The spelling of 1122142124 in words is "one billion, one hundred twenty-two million, one hundred forty-two thousand, one hundred twenty-four".