122055145 has 8 divisors (see below), whose sum is σ = 154175040. Its totient is φ = 92504880.

The previous prime is 122055127. The next prime is 122055161. The reversal of 122055145 is 541550221.

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

It is not a de Polignac number, because 122055145 - 2⁹ = 122054633 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, 642301 + ... + 642490.

It is an arithmetic number, because the mean of its divisors is an integer number (19271880).

Almost surely, 2^122055145 is an apocalyptic number.

It is an amenable number.

122055145 is a deficient number, since it is larger than the sum of its proper divisors (32119895).

122055145 is a wasteful number, since it uses less digits than its factorization.

122055145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284815.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 122055145 is about 11047.8570320221. The cubic root of 122055145 is about 496.0422822631.

It can be divided in two parts, 1220 and 55145, that added together give a palindrome (56365).

The spelling of 122055145 in words is "one hundred twenty-two million, fifty-five thousand, one hundred forty-five".