126122407 has 8 divisors (see below), whose sum is σ = 127650096. Its totient is φ = 124599552.

The previous prime is 126122393. The next prime is 126122413. The reversal of 126122407 is 704221621.

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 126122407 - 2¹⁹ = 125598119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126122467) 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, 91173 + ... + 92545.

It is an arithmetic number, because the mean of its divisors is an integer number (15956262).

Almost surely, 2^126122407 is an apocalyptic number.

126122407 is a deficient number, since it is larger than the sum of its proper divisors (1527689).

126122407 is an equidigital number, since it uses as much as digits as its factorization.

126122407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 126122407 is about 11230.4232778645. The cubic root of 126122407 is about 501.4920855987.

The spelling of 126122407 in words is "one hundred twenty-six million, one hundred twenty-two thousand, four hundred seven".