2129475 has 12 divisors (see below), whose sum is σ = 3520856. Its totient is φ = 1135680.

The previous prime is 2129473. The next prime is 2129497. The reversal of 2129475 is 5749212.

It is not a de Polignac number, because 2129475 - 2¹ = 2129473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2129473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14122 + ... + 14271.

2^2129475 is an apocalyptic number.

2129475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2129475 is a deficient number, since it is larger than the sum of its proper divisors (1391381).

2129475 is a wasteful number, since it uses less digits than its factorization.

2129475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28406 (or 28401 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 2129475 is about 1459.2720788119. The cubic root of 2129475 is about 128.6542631992.

The spelling of 2129475 in words is "two million, one hundred twenty-nine thousand, four hundred seventy-five".