2112451 has 8 divisors (see below), whose sum is σ = 2319408. Its totient is φ = 1908000.

The previous prime is 2112419. The next prime is 2112469. The reversal of 2112451 is 1542112.

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 2112451 - 2⁵ = 2112419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112151) 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, 1461 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (289926).

2^2112451 is an apocalyptic number.

2112451 is a deficient number, since it is larger than the sum of its proper divisors (206957).

2112451 is a wasteful number, since it uses less digits than its factorization.

2112451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253.

The product of its digits is 80, while the sum is 16.

The square root of 2112451 is about 1453.4273287647. The cubic root of 2112451 is about 128.3105051129.

Adding to 2112451 its reverse (1542112), we get a palindrome (3654563).

It can be divided in two parts, 211 and 2451, that added together give a palindrome (2662).

The spelling of 2112451 in words is "two million, one hundred twelve thousand, four hundred fifty-one".