1122005204400 has 60 divisors (see below), whose sum is σ = 3594156675272. Its totient is φ = 299201387520.

The previous prime is 1122005204393. The next prime is 1122005204407. The reversal of 1122005204400 is 44025002211.

It is an interprime number because it is at equal distance from previous prime (1122005204393) and next prime (1122005204407).

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (1122005204407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467500969 + ... + 467503368.

Almost surely, 2^{1122005204400} is an apocalyptic number.

1122005204400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122005204400 is an abundant number, since it is smaller than the sum of its proper divisors (2472151470872).

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

1122005204400 is a wasteful number, since it uses less digits than its factorization.

1122005204400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935004358 (or 935004347 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The spelling of 1122005204400 in words is "one trillion, one hundred twenty-two billion, five million, two hundred four thousand, four hundred".