2120475 has 36 divisors (see below), whose sum is σ = 4085304. Its totient is φ = 967680.

The previous prime is 2120473. The next prime is 2120513. The reversal of 2120475 is 5740212.

It is not a de Polignac number, because 2120475 - 2¹ = 2120473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120473) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3387 + ... + 3963.

2^2120475 is an apocalyptic number.

2120475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2120475 is a deficient number, since it is larger than the sum of its proper divisors (1964829).

2120475 is a wasteful number, since it uses less digits than its factorization.

2120475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2120475 is about 1456.1850843900. The cubic root of 2120475 is about 128.4727593950.

Adding to 2120475 its reverse (5740212), we get a palindrome (7860687).

The spelling of 2120475 in words is "two million, one hundred twenty thousand, four hundred seventy-five".