2122754 has 4 divisors (see below), whose sum is σ = 3184134. Its totient is φ = 1061376.

The previous prime is 2122753. The next prime is 2122777. The reversal of 2122754 is 4572212.

It is a happy number.

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., 1525225 + 597529 = 1235^2 + 773^2 .

It is not an unprimeable number, because it can be changed into a prime (2122753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530687 + ... + 530690.

2^2122754 is an apocalyptic number.

2122754 is a deficient number, since it is larger than the sum of its proper divisors (1061380).

2122754 is a wasteful number, since it uses less digits than its factorization.

2122754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061379.

The product of its digits is 1120, while the sum is 23.

The square root of 2122754 is about 1456.9673983998. The cubic root of 2122754 is about 128.5187686757.

Adding to 2122754 its reverse (4572212), we get a palindrome (6694966).

The spelling of 2122754 in words is "two million, one hundred twenty-two thousand, seven hundred fifty-four".