122553830 has 16 divisors (see below), whose sum is σ = 252110880. Its totient is φ = 42018432.

The previous prime is 122553817. The next prime is 122553853. The reversal of 122553830 is 38355221.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122553793 and 122553802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875315 + ... + 875454.

It is an arithmetic number, because the mean of its divisors is an integer number (15756930).

Almost surely, 2^122553830 is an apocalyptic number.

122553830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122553830 is an abundant number, since it is smaller than the sum of its proper divisors (129557050).

122553830 is a wasteful number, since it uses less digits than its factorization.

122553830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750783.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 122553830 is about 11070.4033350190. The cubic root of 122553830 is about 496.7169300862.

It can be divided in two parts, 1225 and 53830, that added together give a palindrome (55055).

The spelling of 122553830 in words is "one hundred twenty-two million, five hundred fifty-three thousand, eight hundred thirty".