1122504900 has 324 divisors, whose sum is σ = 3827661264. Its totient is φ = 253721600.

The previous prime is 1122504893. The next prime is 1122504907. The reversal of 1122504900 is 94052211.

It is an interprime number because it is at equal distance from previous prime (1122504893) and next prime (1122504907).

It is not an unprimeable number, because it can be changed into a prime (1122504907) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 10490647 + ... + 10490753.

Almost surely, 2^1122504900 is an apocalyptic number.

1122504900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122504900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913830632).

1122504900 is an abundant number, since it is smaller than the sum of its proper divisors (2705156364).

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

1122504900 is a wasteful number, since it uses less digits than its factorization.

1122504900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1122504900 is about 33503.8042616059. The cubic root of 1122504900 is about 1039.2724509625.

The spelling of 1122504900 in words is "one billion, one hundred twenty-two million, five hundred four thousand, nine hundred".