123601402 has 16 divisors (see below), whose sum is σ = 199706112. Its totient is φ = 57206160.

The previous prime is 123601397. The next prime is 123601409. The reversal of 123601402 is 204106321.

It is a self number, because there is not a number n which added to its sum of digits gives 123601402.

It is not an unprimeable number, because it can be changed into a prime (123601409) 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, 41913 + ... + 44764.

It is an arithmetic number, because the mean of its divisors is an integer number (12481632).

Almost surely, 2^123601402 is an apocalyptic number.

123601402 is a deficient number, since it is larger than the sum of its proper divisors (76104710).

123601402 is a wasteful number, since it uses less digits than its factorization.

123601402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86733.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 123601402 is about 11117.6167410106. The cubic root of 123601402 is about 498.1282041715.

Adding to 123601402 its reverse (204106321), we get a palindrome (327707723).

The spelling of 123601402 in words is "one hundred twenty-three million, six hundred one thousand, four hundred two".