122434554 has 64 divisors (see below), whose sum is σ = 276861312. Its totient is φ = 35769600.

The previous prime is 122434553. The next prime is 122434597. The reversal of 122434554 is 455434221.

It is not an unprimeable number, because it can be changed into a prime (122434553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441864 + ... + 442140.

It is an arithmetic number, because the mean of its divisors is an integer number (4325958).

Almost surely, 2^122434554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122434554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138430656).

122434554 is an abundant number, since it is smaller than the sum of its proper divisors (154426758).

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

122434554 is a wasteful number, since it uses less digits than its factorization.

122434554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511.

The product of its digits is 19200, while the sum is 30.

The square root of 122434554 is about 11065.0148666868. The cubic root of 122434554 is about 496.5557338740. Note that the first 3 decimals are identical.

Adding to 122434554 its reverse (455434221), we get a palindrome (577868775).

It can be divided in two parts, 1224 and 34554, that added together give a triangular number (35778 = T₂₆₇).

The spelling of 122434554 in words is "one hundred twenty-two million, four hundred thirty-four thousand, five hundred fifty-four".