2126454 has 48 divisors (see below), whose sum is σ = 4883760. Its totient is φ = 616000.

The previous prime is 2126447. The next prime is 2126459. The reversal of 2126454 is 4546212.

It is a super-2 number, since 2×2126454² = 9043613228232, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 2¹⁷ + 6⁴ + 4⁶ + 5⁹ + 4⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21004 + ... + 21104.

It is an arithmetic number, because the mean of its divisors is an integer number (101745).

2^2126454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2126454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2441880).

2126454 is an abundant number, since it is smaller than the sum of its proper divisors (2757306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126454 is a wasteful number, since it uses less digits than its factorization.

2126454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 146 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 2126454 is about 1458.2366063160. The cubic root of 2126454 is about 128.5933955412.

It can be divided in two parts, 212 and 6454, that added together give a palindrome (6666).

The spelling of 2126454 in words is "two million, one hundred twenty-six thousand, four hundred fifty-four".