122251430 has 16 divisors (see below), whose sum is σ = 251488800. Its totient is φ = 41914752.

The previous prime is 122251429. The next prime is 122251433. The reversal of 122251430 is 34152221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122251433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 873155 + ... + 873294.

It is an arithmetic number, because the mean of its divisors is an integer number (15718050).

Almost surely, 2^122251430 is an apocalyptic number.

122251430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122251430 is an abundant number, since it is smaller than the sum of its proper divisors (129237370).

122251430 is a wasteful number, since it uses less digits than its factorization.

122251430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746463.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 122251430 is about 11056.7368603942. The cubic root of 122251430 is about 496.3080460497.

The spelling of 122251430 in words is "one hundred twenty-two million, two hundred fifty-one thousand, four hundred thirty".