1122420105 has 16 divisors (see below), whose sum is σ = 1995413760. Its totient is φ = 598623984.

The previous prime is 1122420097. The next prime is 1122420137. The reversal of 1122420105 is 5010242211.

It is not a de Polignac number, because 1122420105 - 2³ = 1122420097 is a prime.

It is a super-2 number, since 2×1122420105² = 2519653784216422050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4156977 + ... + 4157246.

It is an arithmetic number, because the mean of its divisors is an integer number (124713360).

Almost surely, 2^1122420105 is an apocalyptic number.

1122420105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122420105 is a deficient number, since it is larger than the sum of its proper divisors (872993655).

1122420105 is an equidigital number, since it uses as much as digits as its factorization.

1122420105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8314237 (or 8314231 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1122420105 is about 33502.5387843966. The cubic root of 1122420105 is about 1039.2462811208.

Adding to 1122420105 its reverse (5010242211), we get a palindrome (6132662316).

It can be divided in two parts, 11224 and 20105, that added together give a square (31329 = 177²).

The spelling of 1122420105 in words is "one billion, one hundred twenty-two million, four hundred twenty thousand, one hundred five".