1122905042 has 8 divisors (see below), whose sum is σ = 1924980096. Its totient is φ = 481245012.

The previous prime is 1122905041. The next prime is 1122905071. The reversal of 1122905042 is 2405092211.

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 (1122905041) 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, 40103738 + ... + 40103765.

It is an arithmetic number, because the mean of its divisors is an integer number (240622512).

Almost surely, 2^1122905042 is an apocalyptic number.

1122905042 is a deficient number, since it is larger than the sum of its proper divisors (802075054).

1122905042 is an equidigital number, since it uses as much as digits as its factorization.

1122905042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80207512.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1122905042 is about 33509.7753200465. The cubic root of 1122905042 is about 1039.3959269351.

Adding to 1122905042 its reverse (2405092211), we get a palindrome (3527997253).

The spelling of 1122905042 in words is "one billion, one hundred twenty-two million, nine hundred five thousand, forty-two".