1122555040 has 24 divisors (see below), whose sum is σ = 2652036660. Its totient is φ = 449021952.

The previous prime is 1122555019. The next prime is 1122555059. The reversal of 1122555040 is 405552211.

It can be written as a sum of positive squares in 2 ways, for example, as 1111022224 + 11532816 = 33332^2 + 3396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1122554996 and 1122555014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3507825 + ... + 3508144.

Almost surely, 2^1122555040 is an apocalyptic number.

1122555040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122555040 is an abundant number, since it is smaller than the sum of its proper divisors (1529481620).

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

1122555040 is an equidigital number, since it uses as much as digits as its factorization.

1122555040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015984 (or 7015976 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1122555040 is about 33504.5525264851. The cubic root of 1122555040 is about 1039.2879247909.

The spelling of 1122555040 in words is "one billion, one hundred twenty-two million, five hundred fifty-five thousand, forty".