126229651 has 4 divisors (see below), whose sum is σ = 126408400. Its totient is φ = 126050904.

The previous prime is 126229601. The next prime is 126229687. The reversal of 126229651 is 156922621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156922621 = 41 ⋅3827381.

It is a cyclic number.

It is not a de Polignac number, because 126229651 - 2¹¹ = 126227603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126229601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88311 + ... + 89728.

It is an arithmetic number, because the mean of its divisors is an integer number (31602100).

Almost surely, 2^126229651 is an apocalyptic number.

126229651 is a deficient number, since it is larger than the sum of its proper divisors (178749).

126229651 is an equidigital number, since it uses as much as digits as its factorization.

126229651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178748.

The product of its digits is 12960, while the sum is 34.

The square root of 126229651 is about 11235.1969720161. The cubic root of 126229651 is about 501.6341877088.

The spelling of 126229651 in words is "one hundred twenty-six million, two hundred twenty-nine thousand, six hundred fifty-one".