2521126 has 8 divisors (see below), whose sum is σ = 3793464. Its totient is φ = 1256640.

The previous prime is 2521111. The next prime is 2521147. The reversal of 2521126 is 6211252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (474183).

2^2521126 is an apocalyptic number.

2521126 is a deficient number, since it is larger than the sum of its proper divisors (1272338).

2521126 is a wasteful number, since it uses less digits than its factorization.

2521126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926.

The product of its digits is 240, while the sum is 19.

The square root of 2521126 is about 1587.8054036940. The cubic root of 2521126 is about 136.1021075754.

Adding to 2521126 its reverse (6211252), we get a palindrome (8732378).

It can be divided in two parts, 252 and 1126, that added together give a triangular number (1378 = T₅₂).

The spelling of 2521126 in words is "two million, five hundred twenty-one thousand, one hundred twenty-six".