3901105128 has 32 divisors (see below), whose sum is σ = 9775416960. Its totient is φ = 1297347840.

The previous prime is 3901105097. The next prime is 3901105129. The reversal of 3901105128 is 8215011093.

It is a junction number, because it is equal to n+sod(n) for n = 3901105095 and 3901105104.

It is not an unprimeable number, because it can be changed into a prime (3901105129) 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, 178225 + ... + 198912.

It is an arithmetic number, because the mean of its divisors is an integer number (305481780).

Almost surely, 2^3901105128 is an apocalyptic number.

It is an amenable number.

3901105128 is an abundant number, since it is smaller than the sum of its proper divisors (5874311832).

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

3901105128 is a wasteful number, since it uses less digits than its factorization.

3901105128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377577 (or 377573 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 3901105128 is about 62458.8274625773. The cubic root of 3901105128 is about 1574.2095811195.

The spelling of 3901105128 in words is "three billion, nine hundred one million, one hundred five thousand, one hundred twenty-eight".