122381745 has 8 divisors (see below), whose sum is σ = 195810816. Its totient is φ = 65270256.

The previous prime is 122381729. The next prime is 122381767. The reversal of 122381745 is 547183221.

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

It is not a de Polignac number, because 122381745 - 2⁴ = 122381729 is a prime.

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, 4079377 + ... + 4079406.

It is an arithmetic number, because the mean of its divisors is an integer number (24476352).

Almost surely, 2^122381745 is an apocalyptic number.

122381745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122381745 is a deficient number, since it is larger than the sum of its proper divisors (73429071).

122381745 is an equidigital number, since it uses as much as digits as its factorization.

122381745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158791.

The product of its digits is 13440, while the sum is 33.

The square root of 122381745 is about 11062.6283043407. The cubic root of 122381745 is about 496.4843314201.

The spelling of 122381745 in words is "one hundred twenty-two million, three hundred eighty-one thousand, seven hundred forty-five".