126365602226 has 4 divisors (see below), whose sum is σ = 189548403342. Its totient is φ = 63182801112.

The previous prime is 126365602217. The next prime is 126365602241. The reversal of 126365602226 is 622206563621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622206563621 = 277891 ⋅2239031.

It can be written as a sum of positive squares in only one way, i.e., 105333351601 + 21032250625 = 324551^2 + 145025^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31591400555 + ... + 31591400558.

Almost surely, 2^126365602226 is an apocalyptic number.

126365602226 is a deficient number, since it is larger than the sum of its proper divisors (63182801116).

126365602226 is an equidigital number, since it uses as much as digits as its factorization.

126365602226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63182801115.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 126365602226 in words is "one hundred twenty-six billion, three hundred sixty-five million, six hundred two thousand, two hundred twenty-six".