122653742 has 16 divisors (see below), whose sum is σ = 200070000. Its totient is φ = 56158848.

The previous prime is 122653717. The next prime is 122653747. The reversal of 122653742 is 247356221.

It is a junction number, because it is equal to n+sod(n) for n = 122653699 and 122653708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122653747) 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, 47492 + ... + 50007.

It is an arithmetic number, because the mean of its divisors is an integer number (12504375).

Almost surely, 2^122653742 is an apocalyptic number.

122653742 is a deficient number, since it is larger than the sum of its proper divisors (77416258).

122653742 is a wasteful number, since it uses less digits than its factorization.

122653742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97555.

The product of its digits is 20160, while the sum is 32.

The square root of 122653742 is about 11074.9149883870. The cubic root of 122653742 is about 496.8518762336.

The spelling of 122653742 in words is "one hundred twenty-two million, six hundred fifty-three thousand, seven hundred forty-two".