1122503213 has 8 divisors (see below), whose sum is σ = 1209643008. Its totient is φ = 1035476784.

The previous prime is 1122503197. The next prime is 1122503227. The reversal of 1122503213 is 3123052211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122503213 - 2⁴ = 1122503197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122503713) 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, 7181 + ... + 47922.

It is an arithmetic number, because the mean of its divisors is an integer number (151205376).

Almost surely, 2^1122503213 is an apocalyptic number.

1122503213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1122503213 is a deficient number, since it is larger than the sum of its proper divisors (87139795).

1122503213 is a wasteful number, since it uses less digits than its factorization.

1122503213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56683.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1122503213 is about 33503.7790853510. The cubic root of 1122503213 is about 1039.2719303252.

Adding to 1122503213 its reverse (3123052211), we get a palindrome (4245555424).

The spelling of 1122503213 in words is "one billion, one hundred twenty-two million, five hundred three thousand, two hundred thirteen".