126920008 has 32 divisors (see below), whose sum is σ = 247519800. Its totient is φ = 60938752.

The previous prime is 126919997. The next prime is 126920009. The reversal of 126920008 is 800029621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 119202724 + 7717284 = 10918^2 + 2778^2 .

It is a super-2 number, since 2×126920008² = 32217376861440128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126920009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44316 + ... + 47092.

Almost surely, 2^126920008 is an apocalyptic number.

It is an amenable number.

126920008 is a deficient number, since it is larger than the sum of its proper divisors (120599792).

126920008 is a wasteful number, since it uses less digits than its factorization.

126920008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009 (or 3005 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 126920008 is about 11265.8780394606. The cubic root of 126920008 is about 502.5470140743.

Adding to 126920008 its reverse (800029621), we get a palindrome (926949629).

The spelling of 126920008 in words is "one hundred twenty-six million, nine hundred twenty thousand, eight".