2125041409 has 8 divisors (see below), whose sum is σ = 2207041920. Its totient is φ = 2044573776.

The previous prime is 2125041407. The next prime is 2125041419. The reversal of 2125041409 is 9041405212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2125041409 - 2¹ = 2125041407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125041407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380394 + ... + 385939.

It is an arithmetic number, because the mean of its divisors is an integer number (275880240).

Almost surely, 2^2125041409 is an apocalyptic number.

It is an amenable number.

2125041409 is a deficient number, since it is larger than the sum of its proper divisors (82000511).

2125041409 is an equidigital number, since it uses as much as digits as its factorization.

2125041409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766439.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2125041409 is about 46098.1714279428. The cubic root of 2125041409 is about 1285.6491461925.

The spelling of 2125041409 in words is "two billion, one hundred twenty-five million, forty-one thousand, four hundred nine".