2631126 has 8 divisors (see below), whose sum is σ = 5262264. Its totient is φ = 877040.

The previous prime is 2631103. The next prime is 2631133. The reversal of 2631126 is 6211362.

It is a happy number.

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

2631126 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

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, 219255 + ... + 219266.

It is an arithmetic number, because the mean of its divisors is an integer number (657783).

2^2631126 is an apocalyptic number.

2631126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2631126 is a wasteful number, since it uses less digits than its factorization.

2631126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438526.

The product of its digits is 432, while the sum is 21.

The square root of 2631126 is about 1622.0745975448. The cubic root of 2631126 is about 138.0534344637.

Adding to 2631126 its reverse (6211362), we get a palindrome (8842488).

The spelling of 2631126 in words is "two million, six hundred thirty-one thousand, one hundred twenty-six".