126691627 has 4 divisors (see below), whose sum is σ = 126941040. Its totient is φ = 126442216.

The previous prime is 126691597. The next prime is 126691657. The reversal of 126691627 is 726196621.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (126691597) and next prime (126691657).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126691627 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126691627.

It is not an unprimeable number, because it can be changed into a prime (126691657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123943 + ... + 124960.

It is an arithmetic number, because the mean of its divisors is an integer number (31735260).

Almost surely, 2^126691627 is an apocalyptic number.

126691627 is a deficient number, since it is larger than the sum of its proper divisors (249413).

126691627 is an equidigital number, since it uses as much as digits as its factorization.

126691627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249412.

The product of its digits is 54432, while the sum is 40.

The square root of 126691627 is about 11255.7375147078. The cubic root of 126691627 is about 502.2454038947.

The spelling of 126691627 in words is "one hundred twenty-six million, six hundred ninety-one thousand, six hundred twenty-seven".