2112481 has 8 divisors (see below), whose sum is σ = 2519424. Its totient is φ = 1731840.

The previous prime is 2112469. The next prime is 2112493. The reversal of 2112481 is 1842112.

2112481 = T₄₃₈ + T₄₃₉ + ... + T₄₅₈.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2112469) and next prime (2112493).

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 2112481 - 2⁷ = 2112353 is a prime.

It is a super-2 number, since 2×2112481² = 8925151950722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112581) 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, 6400 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (314928).

2^2112481 is an apocalyptic number.

It is an amenable number.

2112481 is a deficient number, since it is larger than the sum of its proper divisors (406943).

2112481 is a wasteful number, since it uses less digits than its factorization.

2112481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13151.

The product of its digits is 128, while the sum is 19.

The square root of 2112481 is about 1453.4376491615. The cubic root of 2112481 is about 128.3111125111.

Adding to 2112481 its reverse (1842112), we get a palindrome (3954593).

The spelling of 2112481 in words is "two million, one hundred twelve thousand, four hundred eighty-one".