2125401340 has 12 divisors (see below), whose sum is σ = 4463342856. Its totient is φ = 850160528.

The previous prime is 2125401331. The next prime is 2125401359. The reversal of 2125401340 is 431045212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53135014 + ... + 53135053.

It is an arithmetic number, because the mean of its divisors is an integer number (371945238).

Almost surely, 2^2125401340 is an apocalyptic number.

2125401340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125401340 is an abundant number, since it is smaller than the sum of its proper divisors (2337941516).

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

2125401340 is a wasteful number, since it uses less digits than its factorization.

2125401340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106270076 (or 106270074 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2125401340 is about 46102.0752244408. The cubic root of 2125401340 is about 1285.7217281286.

Adding to 2125401340 its reverse (431045212), we get a palindrome (2556446552).

The spelling of 2125401340 in words is "two billion, one hundred twenty-five million, four hundred one thousand, three hundred forty".