122306250 has 96 divisors (see below), whose sum is σ = 334103616. Its totient is φ = 29600000.

The previous prime is 122306231. The next prime is 122306257. The reversal of 122306250 is 52603221.

It is not an unprimeable number, because it can be changed into a prime (122306257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205954 + ... + 206546.

It is an arithmetic number, because the mean of its divisors is an integer number (3480246).

Almost surely, 2^122306250 is an apocalyptic number.

122306250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122306250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167051808).

122306250 is an abundant number, since it is smaller than the sum of its proper divisors (211797366).

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

122306250 is an equidigital number, since it uses as much as digits as its factorization.

122306250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 122306250 is about 11059.2156141383. The cubic root of 122306250 is about 496.3822198005.

Adding to 122306250 its reverse (52603221), we get a palindrome (174909471).

The spelling of 122306250 in words is "one hundred twenty-two million, three hundred six thousand, two hundred fifty".