2620126 has 4 divisors (see below), whose sum is σ = 3930192. Its totient is φ = 1310062.

The previous prime is 2620099. The next prime is 2620129. The reversal of 2620126 is 6210262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6210262 = 2 ⋅3105131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655030 + ... + 655033.

It is an arithmetic number, because the mean of its divisors is an integer number (982548).

2^2620126 is an apocalyptic number.

2620126 is a deficient number, since it is larger than the sum of its proper divisors (1310066).

2620126 is a wasteful number, since it uses less digits than its factorization.

2620126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310065.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2620126 is about 1618.6803266859. The cubic root of 2620126 is about 137.8607781673.

Adding to 2620126 its reverse (6210262), we get a palindrome (8830388).

The spelling of 2620126 in words is "two million, six hundred twenty thousand, one hundred twenty-six".