122249506 has 8 divisors (see below), whose sum is σ = 183542940. Its totient is φ = 61068528.

The previous prime is 122249489. The next prime is 122249507. The reversal of 122249506 is 605942221.

It can be written as a sum of positive squares in 2 ways, for example, as 122213025 + 36481 = 11055^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (122249507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25341 + ... + 29776.

Almost surely, 2^122249506 is an apocalyptic number.

122249506 is a deficient number, since it is larger than the sum of its proper divisors (61293434).

122249506 is a wasteful number, since it uses less digits than its factorization.

122249506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56228.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 122249506 is about 11056.6498542732. The cubic root of 122249506 is about 496.3054423946.

The spelling of 122249506 in words is "one hundred twenty-two million, two hundred forty-nine thousand, five hundred six".