2126354 has 4 divisors (see below), whose sum is σ = 3189534. Its totient is φ = 1063176.

The previous prime is 2126351. The next prime is 2126363. The reversal of 2126354 is 4536212.

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

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 769129 = 1165^2 + 877^2 .

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2126351) 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, 531587 + ... + 531590.

2^2126354 is an apocalyptic number.

2126354 is a deficient number, since it is larger than the sum of its proper divisors (1063180).

2126354 is a wasteful number, since it uses less digits than its factorization.

2126354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063179.

The product of its digits is 1440, while the sum is 23.

The square root of 2126354 is about 1458.2023179244. The cubic root of 2126354 is about 128.5913797375.

The spelling of 2126354 in words is "two million, one hundred twenty-six thousand, three hundred fifty-four".