1123210542 has 16 divisors (see below), whose sum is σ = 2323884240. Its totient is φ = 361492992.

The previous prime is 1123210541. The next prime is 1123210547. The reversal of 1123210542 is 2450123211.

1123210542 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123210541) 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, 3227443 + ... + 3227790.

It is an arithmetic number, because the mean of its divisors is an integer number (145242765).

Almost surely, 2^1123210542 is an apocalyptic number.

1123210542 is an abundant number, since it is smaller than the sum of its proper divisors (1200673698).

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

1123210542 is a wasteful number, since it uses less digits than its factorization.

1123210542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455267.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1123210542 is about 33514.3333814056. Note that the first 4 decimals coincide. The cubic root of 1123210542 is about 1039.4901784974.

Adding to 1123210542 its reverse (2450123211), we get a palindrome (3573333753).

The spelling of 1123210542 in words is "one billion, one hundred twenty-three million, two hundred ten thousand, five hundred forty-two".