126669910 has 16 divisors (see below), whose sum is σ = 233567712. Its totient is φ = 49432000.

The previous prime is 126669877. The next prime is 126669913. The reversal of 126669910 is 19966621.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126669913) 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, 154066 + ... + 154885.

It is an arithmetic number, because the mean of its divisors is an integer number (14597982).

Almost surely, 2^126669910 is an apocalyptic number.

126669910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126669910 is a deficient number, since it is larger than the sum of its proper divisors (106897802).

126669910 is a wasteful number, since it uses less digits than its factorization.

126669910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308999.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 126669910 is about 11254.7727653649. The cubic root of 126669910 is about 502.2167045850.

The spelling of 126669910 in words is "one hundred twenty-six million, six hundred sixty-nine thousand, nine hundred ten".