2104129427 has 8 divisors (see below), whose sum is σ = 2135678400. Its totient is φ = 2072800744.

The previous prime is 2104129399. The next prime is 2104129441. The reversal of 2104129427 is 7249214012.

It is a happy number.

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 2104129427 - 2¹⁴ = 2104113043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104129393 and 2104129402.

It is not an unprimeable number, because it can be changed into a prime (2104129477) 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, 35777 + ... + 74082.

It is an arithmetic number, because the mean of its divisors is an integer number (266959800).

Almost surely, 2^2104129427 is an apocalyptic number.

2104129427 is a deficient number, since it is larger than the sum of its proper divisors (31548973).

2104129427 is a wasteful number, since it uses less digits than its factorization.

2104129427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110145.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2104129427 is about 45870.7905643668. The cubic root of 2104129427 is about 1281.4179897218.

The spelling of 2104129427 in words is "two billion, one hundred four million, one hundred twenty-nine thousand, four hundred twenty-seven".