126654646 has 16 divisors (see below), whose sum is σ = 202048560. Its totient is φ = 59374080.

The previous prime is 126654643. The next prime is 126654659. The reversal of 126654646 is 646456621.

It is a junction number, because it is equal to n+sod(n) for n = 126654599 and 126654608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126654643) 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, 13495 + ... + 20866.

It is an arithmetic number, because the mean of its divisors is an integer number (12628035).

Almost surely, 2^126654646 is an apocalyptic number.

126654646 is a deficient number, since it is larger than the sum of its proper divisors (75393914).

126654646 is a wasteful number, since it uses less digits than its factorization.

126654646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34479.

The product of its digits is 207360, while the sum is 40.

The square root of 126654646 is about 11254.0946326215. The cubic root of 126654646 is about 502.1965310392.

The spelling of 126654646 in words is "one hundred twenty-six million, six hundred fifty-four thousand, six hundred forty-six".