1201123104 has 96 divisors (see below), whose sum is σ = 3200529024. Its totient is φ = 394383360.

The previous prime is 1201123097. The next prime is 1201123111. The reversal of 1201123104 is 4013211021.

1201123104 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1201123097) and next prime (1201123111).

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2852814 + ... + 2853234.

It is an arithmetic number, because the mean of its divisors is an integer number (33338844).

Almost surely, 2^1201123104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201123104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600264512).

1201123104 is an abundant number, since it is smaller than the sum of its proper divisors (1999405920).

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

1201123104 is a wasteful number, since it uses less digits than its factorization.

1201123104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1201123104 is about 34657.2229701112. Note that the first 3 decimals coincide. The cubic root of 1201123104 is about 1062.9899869466.

Adding to 1201123104 its reverse (4013211021), we get a palindrome (5214334125).

The spelling of 1201123104 in words is "one billion, two hundred one million, one hundred twenty-three thousand, one hundred four".