2125260169 has 4 divisors (see below), whose sum is σ = 2154373396. Its totient is φ = 2096146944.

The previous prime is 2125260107. The next prime is 2125260199. The reversal of 2125260169 is 9610625212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1639278144 + 485982025 = 40488^2 + 22045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125260169 - 2⁹ = 2125259657 is a prime.

It is a super-2 number, since 2×2125260169² = 9033461571875817122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125260199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14556504 + ... + 14556649.

It is an arithmetic number, because the mean of its divisors is an integer number (538593349).

Almost surely, 2^2125260169 is an apocalyptic number.

It is an amenable number.

2125260169 is a deficient number, since it is larger than the sum of its proper divisors (29113227).

2125260169 is an equidigital number, since it uses as much as digits as its factorization.

2125260169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29113226.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2125260169 is about 46100.5441291098. The cubic root of 2125260169 is about 1285.6932612476.

The spelling of 2125260169 in words is "two billion, one hundred twenty-five million, two hundred sixty thousand, one hundred sixty-nine".