126226649 has 8 divisors (see below), whose sum is σ = 135263520. Its totient is φ = 117368896.

The previous prime is 126226627. The next prime is 126226657. The reversal of 126226649 is 946622621.

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

It is a cyclic number.

It is not a de Polignac number, because 126226649 - 2¹² = 126222553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126226609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43319 + ... + 46140.

It is an arithmetic number, because the mean of its divisors is an integer number (16907940).

Almost surely, 2^126226649 is an apocalyptic number.

It is an amenable number.

126226649 is a deficient number, since it is larger than the sum of its proper divisors (9036871).

126226649 is an equidigital number, since it uses as much as digits as its factorization.

126226649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89559.

The product of its digits is 62208, while the sum is 38.

The square root of 126226649 is about 11235.0633732080. The cubic root of 126226649 is about 501.6302110473.

The spelling of 126226649 in words is "one hundred twenty-six million, two hundred twenty-six thousand, six hundred forty-nine".