2106251260 has 24 divisors (see below), whose sum is σ = 4425520176. Its totient is φ = 842044800.

The previous prime is 2106251239. The next prime is 2106251291. The reversal of 2106251260 is 621526012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10735 + ... + 65785.

It is an arithmetic number, because the mean of its divisors is an integer number (184396674).

Almost surely, 2^2106251260 is an apocalyptic number.

2106251260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106251260 is an abundant number, since it is smaller than the sum of its proper divisors (2319268916).

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

2106251260 is a wasteful number, since it uses less digits than its factorization.

2106251260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56973 (or 56971 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2106251260 is about 45893.9131040272. The cubic root of 2106251260 is about 1281.8485781812.

Adding to 2106251260 its reverse (621526012), we get a palindrome (2727777272).

The spelling of 2106251260 in words is "two billion, one hundred six million, two hundred fifty-one thousand, two hundred sixty".