1122205503 has 8 divisors (see below), whose sum is σ = 1496877616. Its totient is φ = 747835200.

The previous prime is 1122205499. The next prime is 1122205537. The reversal of 1122205503 is 3055022211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122205503 - 2² = 1122205499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122205503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122205543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66628 + ... + 81753.

It is an arithmetic number, because the mean of its divisors is an integer number (187109702).

Almost surely, 2^1122205503 is an apocalyptic number.

1122205503 is a deficient number, since it is larger than the sum of its proper divisors (374672113).

1122205503 is a wasteful number, since it uses less digits than its factorization.

1122205503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150905.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1122205503 is about 33499.3358590883. The cubic root of 1122205503 is about 1039.1800437275.

Adding to 1122205503 its reverse (3055022211), we get a palindrome (4177227714).

The spelling of 1122205503 in words is "one billion, one hundred twenty-two million, two hundred five thousand, five hundred three".