123420602 has 16 divisors (see below), whose sum is σ = 187941600. Its totient is φ = 60780720.

The previous prime is 123420559. The next prime is 123420611. The reversal of 123420602 is 206024321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34724 + ... + 38112.

It is an arithmetic number, because the mean of its divisors is an integer number (11746350).

Almost surely, 2^123420602 is an apocalyptic number.

123420602 is a deficient number, since it is larger than the sum of its proper divisors (64520998).

123420602 is a wasteful number, since it uses less digits than its factorization.

123420602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 123420602 is about 11109.4825262026. The cubic root of 123420602 is about 497.8852038856.

Adding to 123420602 its reverse (206024321), we get a palindrome (329444923).

The spelling of 123420602 in words is "one hundred twenty-three million, four hundred twenty thousand, six hundred two".