122377115448 has 144 divisors (see below), whose sum is σ = 386869490280. Its totient is φ = 34845261696.

The previous prime is 122377115429. The next prime is 122377115453. The reversal of 122377115448 is 844511773221.

It is a happy number.

122377115448 is a `hidden beast` number, since 1 + 2 + 2 + 37 + 71 + 1 + 544 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 974511 + ... + 1092897.

Almost surely, 2^122377115448 is an apocalyptic number.

122377115448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122377115448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193434745140).

122377115448 is an abundant number, since it is smaller than the sum of its proper divisors (264492374832).

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

122377115448 is a wasteful number, since it uses less digits than its factorization.

122377115448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118706 (or 118692 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

Adding to 122377115448 its reverse (844511773221), we get a palindrome (966888888669).

The spelling of 122377115448 in words is "one hundred twenty-two billion, three hundred seventy-seven million, one hundred fifteen thousand, four hundred forty-eight".