122424555 has 16 divisors (see below), whose sum is σ = 213686784. Its totient is φ = 59357280.

The previous prime is 122424551. The next prime is 122424557. The reversal of 122424555 is 555424221.

It is not a de Polignac number, because 122424555 - 2² = 122424551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122424551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370819 + ... + 371148.

It is an arithmetic number, because the mean of its divisors is an integer number (13355424).

Almost surely, 2^122424555 is an apocalyptic number.

122424555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122424555 is a deficient number, since it is larger than the sum of its proper divisors (91262229).

122424555 is a wasteful number, since it uses less digits than its factorization.

122424555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741986.

The product of its digits is 16000, while the sum is 30.

The square root of 122424555 is about 11064.5630279736. The cubic root of 122424555 is about 496.5422159147.

Adding to 122424555 its reverse (555424221), we get a palindrome (677848776).

The spelling of 122424555 in words is "one hundred twenty-two million, four hundred twenty-four thousand, five hundred fifty-five".