122646442 has 8 divisors (see below), whose sum is σ = 191968416. Its totient is φ = 58656972.

The previous prime is 122646439. The next prime is 122646443. The reversal of 122646442 is 244646221.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (122646443) 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, 1333068 + ... + 1333159.

It is an arithmetic number, because the mean of its divisors is an integer number (23996052).

Almost surely, 2^122646442 is an apocalyptic number.

122646442 is a deficient number, since it is larger than the sum of its proper divisors (69321974).

122646442 is a wasteful number, since it uses less digits than its factorization.

122646442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666252.

The product of its digits is 18432, while the sum is 31.

The square root of 122646442 is about 11074.5854098472. The cubic root of 122646442 is about 496.8420189704.

The spelling of 122646442 in words is "one hundred twenty-two million, six hundred forty-six thousand, four hundred forty-two".