126628427 has 8 divisors (see below), whose sum is σ = 134212752. Its totient is φ = 119059200.

The previous prime is 126628391. The next prime is 126628441. The reversal of 126628427 is 724826621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126628427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126628477) 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 7 ways as a sum of consecutive naturals, for example, 16727 + ... + 23087.

It is an arithmetic number, because the mean of its divisors is an integer number (16776594).

Almost surely, 2^126628427 is an apocalyptic number.

126628427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

126628427 is a deficient number, since it is larger than the sum of its proper divisors (7584325).

126628427 is a wasteful number, since it uses less digits than its factorization.

126628427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549.

The product of its digits is 64512, while the sum is 38.

The square root of 126628427 is about 11252.9297074140. The cubic root of 126628427 is about 502.1618751200.

The spelling of 126628427 in words is "one hundred twenty-six million, six hundred twenty-eight thousand, four hundred twenty-seven".