126540626 has 8 divisors (see below), whose sum is σ = 189897804. Its totient is φ = 63241360.

The previous prime is 126540599. The next prime is 126540647. The reversal of 126540626 is 626045621.

It can be written as a sum of positive squares in 2 ways, for example, as 126540001 + 625 = 11249^2 + 25^2 .

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 = 126540592 and 126540601.

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, 8525 + ... + 18048.

Almost surely, 2^126540626 is an apocalyptic number.

126540626 is a deficient number, since it is larger than the sum of its proper divisors (63357178).

126540626 is a wasteful number, since it uses less digits than its factorization.

126540626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28956.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 126540626 is about 11249.0277802128. The cubic root of 126540626 is about 502.0457861023.

The spelling of 126540626 in words is "one hundred twenty-six million, five hundred forty thousand, six hundred twenty-six".