122947455 has 8 divisors (see below), whose sum is σ = 196715952. Its totient is φ = 65571968.

The previous prime is 122947453. The next prime is 122947459. The reversal of 122947455 is 554749221.

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 122947455 - 2¹ = 122947453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122947453) 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, 4098234 + ... + 4098263.

It is an arithmetic number, because the mean of its divisors is an integer number (24589494).

Almost surely, 2^122947455 is an apocalyptic number.

122947455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122947455 is a deficient number, since it is larger than the sum of its proper divisors (73768497).

122947455 is an equidigital number, since it uses as much as digits as its factorization.

122947455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196505.

The product of its digits is 100800, while the sum is 39.

The square root of 122947455 is about 11088.1673418108. The cubic root of 122947455 is about 497.2481558256.

It can be divided in two parts, 1229 and 47455, that added together give a palindrome (48684).

The spelling of 122947455 in words is "one hundred twenty-two million, nine hundred forty-seven thousand, four hundred fifty-five".