126220429 has 8 divisors (see below), whose sum is σ = 129048768. Its totient is φ = 123420000.

The previous prime is 126220421. The next prime is 126220469. The reversal of 126220429 is 924022621.

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 126220429 - 2³ = 126220421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126220397 and 126220406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126220421) 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, 2304 + ... + 16054.

It is an arithmetic number, because the mean of its divisors is an integer number (16131096).

Almost surely, 2^126220429 is an apocalyptic number.

It is an amenable number.

126220429 is a deficient number, since it is larger than the sum of its proper divisors (2828339).

126220429 is a wasteful number, since it uses less digits than its factorization.

126220429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13955.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 126220429 is about 11234.7865578301. The cubic root of 126220429 is about 501.6219713948.

The spelling of 126220429 in words is "one hundred twenty-six million, two hundred twenty thousand, four hundred twenty-nine".