126695906 has 4 divisors (see below), whose sum is σ = 190043862. Its totient is φ = 63347952.

The previous prime is 126695897. The next prime is 126695909. The reversal of 126695906 is 609596621.

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

It can be written as a sum of positive squares in only one way, i.e., 125776225 + 919681 = 11215^2 + 959^2 .

It is not an unprimeable number, because it can be changed into a prime (126695909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31673975 + ... + 31673978.

Almost surely, 2^126695906 is an apocalyptic number.

126695906 is a deficient number, since it is larger than the sum of its proper divisors (63347956).

126695906 is an equidigital number, since it uses as much as digits as its factorization.

126695906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63347955.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 126695906 is about 11255.9275939391. The cubic root of 126695906 is about 502.2510582644.

The spelling of 126695906 in words is "one hundred twenty-six million, six hundred ninety-five thousand, nine hundred six".