122672145 has 8 divisors (see below), whose sum is σ = 196275456. Its totient is φ = 65425136.

The previous prime is 122672141. The next prime is 122672201. The reversal of 122672145 is 541276221.

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 122672145 - 2² = 122672141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122672141) 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, 4089057 + ... + 4089086.

It is an arithmetic number, because the mean of its divisors is an integer number (24534432).

Almost surely, 2^122672145 is an apocalyptic number.

122672145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122672145 is a deficient number, since it is larger than the sum of its proper divisors (73603311).

122672145 is an equidigital number, since it uses as much as digits as its factorization.

122672145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178151.

The product of its digits is 6720, while the sum is 30.

The square root of 122672145 is about 11075.7457988164. The cubic root of 122672145 is about 496.8767242533.

The spelling of 122672145 in words is "one hundred twenty-two million, six hundred seventy-two thousand, one hundred forty-five".