2102054 has 4 divisors (see below), whose sum is σ = 3153084. Its totient is φ = 1051026.

The previous prime is 2102021. The next prime is 2102057. The reversal of 2102054 is 4502012.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525512 + ... + 525515.

It is an arithmetic number, because the mean of its divisors is an integer number (788271).

2^2102054 is an apocalyptic number.

2102054 is a deficient number, since it is larger than the sum of its proper divisors (1051030).

2102054 is a wasteful number, since it uses less digits than its factorization.

2102054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051029.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2102054 is about 1449.8461987397. The cubic root of 2102054 is about 128.0996538401.

Adding to 2102054 its reverse (4502012), we get a palindrome (6604066).

The spelling of 2102054 in words is "two million, one hundred two thousand, fifty-four".