2125001040 has 80 divisors (see below), whose sum is σ = 6934228800. Its totient is φ = 536841216.

The previous prime is 2125001033. The next prime is 2125001069. The reversal of 2125001040 is 401005212.

2125001040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 228445 + ... + 237564.

It is an arithmetic number, because the mean of its divisors is an integer number (86677860).

Almost surely, 2^2125001040 is an apocalyptic number.

2125001040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125001040 is an abundant number, since it is smaller than the sum of its proper divisors (4809227760).

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

2125001040 is a wasteful number, since it uses less digits than its factorization.

2125001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466044 (or 466038 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2125001040 is about 46097.7335668469. The cubic root of 2125001040 is about 1285.6410050650.

Adding to 2125001040 its reverse (401005212), we get a palindrome (2526006252).

The spelling of 2125001040 in words is "two billion, one hundred twenty-five million, one thousand, forty".