122982945 has 8 divisors (see below), whose sum is σ = 196772736. Its totient is φ = 65590896.

The previous prime is 122982943. The next prime is 122982971. The reversal of 122982945 is 549289221.

It is a happy number.

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

It is not a de Polignac number, because 122982945 - 2¹ = 122982943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122982897 and 122982906.

It is not an unprimeable number, because it can be changed into a prime (122982943) 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 7 ways as a sum of consecutive naturals, for example, 4099417 + ... + 4099446.

It is an arithmetic number, because the mean of its divisors is an integer number (24596592).

Almost surely, 2^122982945 is an apocalyptic number.

122982945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122982945 is a deficient number, since it is larger than the sum of its proper divisors (73789791).

122982945 is an equidigital number, since it uses as much as digits as its factorization.

122982945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198871.

The product of its digits is 103680, while the sum is 42.

The square root of 122982945 is about 11089.7675809730. The cubic root of 122982945 is about 497.2959964236.

The spelling of 122982945 in words is "one hundred twenty-two million, nine hundred eighty-two thousand, nine hundred forty-five".