1122420555 has 24 divisors (see below), whose sum is σ = 1949561952. Its totient is φ = 597383424.

The previous prime is 1122420517. The next prime is 1122420569. The reversal of 1122420555 is 5550242211.

1122420555 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1122420555 - 2⁶ = 1122420491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3694 + ... + 47523.

It is an arithmetic number, because the mean of its divisors is an integer number (81231748).

Almost surely, 2^1122420555 is an apocalyptic number.

1122420555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1122420555 is a deficient number, since it is larger than the sum of its proper divisors (827141397).

1122420555 is a wasteful number, since it uses less digits than its factorization.

1122420555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51715 (or 51712 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1122420555 is about 33502.5455003049. The cubic root of 1122420555 is about 1039.2464200054.

Adding to 1122420555 its reverse (5550242211), we get a palindrome (6672662766).

The spelling of 1122420555 in words is "one billion, one hundred twenty-two million, four hundred twenty thousand, five hundred fifty-five".