122115545 has 8 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 96036400.

The previous prime is 122115529. The next prime is 122115559. The reversal of 122115545 is 545511221.

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

It is not a de Polignac number, because 122115545 - 2⁴ = 122115529 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, 206681 + ... + 207270.

It is an arithmetic number, because the mean of its divisors is an integer number (18627840).

Almost surely, 2^122115545 is an apocalyptic number.

It is an amenable number.

122115545 is a deficient number, since it is larger than the sum of its proper divisors (26907175).

122115545 is an equidigital number, since it uses as much as digits as its factorization.

122115545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414015.

The product of its digits is 2000, while the sum is 26.

The square root of 122115545 is about 11050.5902557284. The cubic root of 122115545 is about 496.1240923145.

Adding to 122115545 its reverse (545511221), we get a palindrome (667626766).

The spelling of 122115545 in words is "one hundred twenty-two million, one hundred fifteen thousand, five hundred forty-five".