122566240 has 24 divisors (see below), whose sum is σ = 289563120. Its totient is φ = 49026432.

The previous prime is 122566231. The next prime is 122566259. The reversal of 122566240 is 42665221.

It is a junction number, because it is equal to n+sod(n) for n = 122566199 and 122566208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382860 + ... + 383179.

It is an arithmetic number, because the mean of its divisors is an integer number (12065130).

Almost surely, 2^122566240 is an apocalyptic number.

122566240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122566240 is an abundant number, since it is smaller than the sum of its proper divisors (166996880).

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

122566240 is an equidigital number, since it uses as much as digits as its factorization.

122566240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766054 (or 766046 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 122566240 is about 11070.9638243470. The cubic root of 122566240 is about 496.7336956415.

It can be divided in two parts, 12256 and 6240, that added together give a square (18496 = 136²).

The spelling of 122566240 in words is "one hundred twenty-two million, five hundred sixty-six thousand, two hundred forty".