2148901128 has 48 divisors (see below), whose sum is σ = 6349028400. Its totient is φ = 651181920.

The previous prime is 2148901093. The next prime is 2148901129. The reversal of 2148901128 is 8211098412.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2148901092 and 2148901101.

It is not an unprimeable number, because it can be changed into a prime (2148901129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1355838 + ... + 1357421.

It is an arithmetic number, because the mean of its divisors is an integer number (132271425).

Almost surely, 2^2148901128 is an apocalyptic number.

It is an amenable number.

2148901128 is an abundant number, since it is smaller than the sum of its proper divisors (4200127272).

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

2148901128 is a wasteful number, since it uses less digits than its factorization.

2148901128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713282 (or 2713275 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 2148901128 is about 46356.2415215039. The cubic root of 2148901128 is about 1290.4429558682.

The spelling of 2148901128 in words is "two billion, one hundred forty-eight million, nine hundred one thousand, one hundred twenty-eight".