2520126634 has 8 divisors (see below), whose sum is σ = 3804268068. Its totient is φ = 1252037280.

The previous prime is 2520126619. The next prime is 2520126641. The reversal of 2520126634 is 4366210252.

It can be written as a sum of positive squares in 2 ways, for example, as 2161971009 + 358155625 = 46497^2 + 18925^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2520126596 and 2520126605.

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, 4012627 + ... + 4013254.

Almost surely, 2^2520126634 is an apocalyptic number.

2520126634 is a deficient number, since it is larger than the sum of its proper divisors (1284141434).

2520126634 is a wasteful number, since it uses less digits than its factorization.

2520126634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8026040.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2520126634 is about 50200.8628810302. The cubic root of 2520126634 is about 1360.8412172375.

Adding to 2520126634 its reverse (4366210252), we get a palindrome (6886336886).

The spelling of 2520126634 in words is "two billion, five hundred twenty million, one hundred twenty-six thousand, six hundred thirty-four".