120406810 has 8 divisors (see below), whose sum is σ = 216732276. Its totient is φ = 48162720.

The previous prime is 120406807. The next prime is 120406829. The reversal of 120406810 is 18604021.

It can be written as a sum of positive squares in 2 ways, for example, as 120406729 + 81 = 10973^2 + 9^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120406810² = 28995599788752200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6020331 + ... + 6020350.

Almost surely, 2^120406810 is an apocalyptic number.

120406810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120406810 is a deficient number, since it is larger than the sum of its proper divisors (96325466).

120406810 is a wasteful number, since it uses less digits than its factorization.

120406810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12040688.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 120406810 is about 10973.0036908770. The cubic root of 120406810 is about 493.7991638274.

The spelling of 120406810 in words is "one hundred twenty million, four hundred six thousand, eight hundred ten".