123540622 has 8 divisors (see below), whose sum is σ = 195064200. Its totient is φ = 58519224.

The previous prime is 123540617. The next prime is 123540623. The reversal of 123540622 is 226045321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123540623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625497 + ... + 1625572.

It is an arithmetic number, because the mean of its divisors is an integer number (24383025).

Almost surely, 2^123540622 is an apocalyptic number.

123540622 is a deficient number, since it is larger than the sum of its proper divisors (71523578).

123540622 is a wasteful number, since it uses less digits than its factorization.

123540622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251090.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 123540622 is about 11114.8829053661. The cubic root of 123540622 is about 498.0465405986.

Adding to 123540622 its reverse (226045321), we get a palindrome (349585943).

The spelling of 123540622 in words is "one hundred twenty-three million, five hundred forty thousand, six hundred twenty-two".