122549945 has 8 divisors (see below), whose sum is σ = 168068544. Its totient is φ = 84034224.

The previous prime is 122549929. The next prime is 122549953. The reversal of 122549945 is 549945221.

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

It is a cyclic number.

It is not a de Polignac number, because 122549945 - 2⁴ = 122549929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750679 + ... + 1750748.

It is an arithmetic number, because the mean of its divisors is an integer number (21008568).

Almost surely, 2^122549945 is an apocalyptic number.

It is an amenable number.

122549945 is a deficient number, since it is larger than the sum of its proper divisors (45518599).

122549945 is an equidigital number, since it uses as much as digits as its factorization.

122549945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501439.

The product of its digits is 129600, while the sum is 41.

The square root of 122549945 is about 11070.2278657668. The cubic root of 122549945 is about 496.7116813296.

The spelling of 122549945 in words is "one hundred twenty-two million, five hundred forty-nine thousand, nine hundred forty-five".