1122554140 has 12 divisors (see below), whose sum is σ = 2357363736. Its totient is φ = 449021648.

The previous prime is 1122554101. The next prime is 1122554159. The reversal of 1122554140 is 414552211.

It is a super-2 number, since 2×1122554140² = 2520255594462279200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28063834 + ... + 28063873.

It is an arithmetic number, because the mean of its divisors is an integer number (196446978).

Almost surely, 2^1122554140 is an apocalyptic number.

1122554140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122554140 is an abundant number, since it is smaller than the sum of its proper divisors (1234809596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122554140 is a wasteful number, since it uses less digits than its factorization.

1122554140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56127716 (or 56127714 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1122554140 is about 33504.5390954718. The cubic root of 1122554140 is about 1039.2876470438.

The spelling of 1122554140 in words is "one billion, one hundred twenty-two million, five hundred fifty-four thousand, one hundred forty".