2100054 has 32 divisors (see below), whose sum is σ = 4686336. Its totient is φ = 621920.

The previous prime is 2100053. The next prime is 2100071. The reversal of 2100054 is 4500012.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2764 + ... + 3440.

It is an arithmetic number, because the mean of its divisors is an integer number (146448).

2^2100054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343168).

2100054 is an abundant number, since it is smaller than the sum of its proper divisors (2586282).

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

2100054 is a wasteful number, since it uses less digits than its factorization.

2100054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2100054 is about 1449.1563062693. The cubic root of 2100054 is about 128.0590141286.

Adding to 2100054 its reverse (4500012), we get a palindrome (6600066).

The spelling of 2100054 in words is "two million, one hundred thousand, fifty-four".