1122120442 has 8 divisors (see below), whose sum is σ = 1683460116. Its totient is φ = 560967072.

The previous prime is 1122120427. The next prime is 1122120443. The reversal of 1122120442 is 2440212211.

It can be written as a sum of positive squares in 2 ways, for example, as 1110155761 + 11964681 = 33319^2 + 3459^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1122120443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30393 + ... + 56284.

Almost surely, 2^1122120442 is an apocalyptic number.

1122120442 is a deficient number, since it is larger than the sum of its proper divisors (561339674).

1122120442 is an equidigital number, since it uses as much as digits as its factorization.

1122120442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93152.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1122120442 is about 33498.0662426953. The cubic root of 1122120442 is about 1039.1537871203.

Adding to 1122120442 its reverse (2440212211), we get a palindrome (3562332653).

The spelling of 1122120442 in words is "one billion, one hundred twenty-two million, one hundred twenty thousand, four hundred forty-two".