3901801122 has 18 divisors (see below), whose sum is σ = 8454476667. Its totient is φ = 1300512036.

The previous prime is 3901801103. The next prime is 3901801129. The reversal of 3901801122 is 2211081093.

It can be written as a sum of positive squares in only one way, i.e., 1950900561 + 1950900561 = 44169^2 + 44169^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=44169.

It is not an unprimeable number, because it can be changed into a prime (3901801129) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 257653 + ... + 272375.

Almost surely, 2^3901801122 is an apocalyptic number.

3901801122 is an abundant number, since it is smaller than the sum of its proper divisors (4552675545).

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

3901801122 is an frugal number, since it uses more digits than its factorization.

3901801122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29454 (or 14728 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 3901801122 is about 62464.3988364572. The cubic root of 3901801122 is about 1574.3031935050.

The spelling of 3901801122 in words is "three billion, nine hundred one million, eight hundred one thousand, one hundred twenty-two".