1122100455 has 32 divisors (see below), whose sum is σ = 2053122048. Its totient is φ = 512640000.

The previous prime is 1122100439. The next prime is 1122100481. The reversal of 1122100455 is 5540012211.

1122100455 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 1122100455 - 2⁴ = 1122100439 is a prime.

It is a super-2 number, since 2×1122100455² = 2518218862222414050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278455 + ... + 282455.

It is an arithmetic number, because the mean of its divisors is an integer number (64160064).

Almost surely, 2^1122100455 is an apocalyptic number.

1122100455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1122100455 is a deficient number, since it is larger than the sum of its proper divisors (931021593).

1122100455 is a wasteful number, since it uses less digits than its factorization.

1122100455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6687.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1122100455 is about 33497.7679107131. The cubic root of 1122100455 is about 1039.1476173459.

Adding to 1122100455 its reverse (5540012211), we get a palindrome (6662112666).

The spelling of 1122100455 in words is "one billion, one hundred twenty-two million, one hundred thousand, four hundred fifty-five".