122145546 has 24 divisors (see below), whose sum is σ = 248406912. Its totient is φ = 40040400.

The previous prime is 122145533. The next prime is 122145557. The reversal of 122145546 is 645541221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19591 + ... + 25061.

It is an arithmetic number, because the mean of its divisors is an integer number (10350288).

Almost surely, 2^122145546 is an apocalyptic number.

122145546 is an abundant number, since it is smaller than the sum of its proper divisors (126261366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122145546 is an equidigital number, since it uses as much as digits as its factorization.

122145546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598 (or 5537 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 122145546 is about 11051.9476111679. The cubic root of 122145546 is about 496.1647177734.

Adding to 122145546 its reverse (645541221), we get a palindrome (767686767).

The spelling of 122145546 in words is "one hundred twenty-two million, one hundred forty-five thousand, five hundred forty-six".