122971146 has 8 divisors (see below), whose sum is σ = 245942304. Its totient is φ = 40990380.

The previous prime is 122971139. The next prime is 122971151. The reversal of 122971146 is 641179221.

It is a happy number.

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

122971146 is an admirable number.

It is a super-3 number, since 3×122971146³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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, 10247590 + ... + 10247601.

It is an arithmetic number, because the mean of its divisors is an integer number (30742788).

Almost surely, 2^122971146 is an apocalyptic number.

122971146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122971146 is a wasteful number, since it uses less digits than its factorization.

122971146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20495196.

The product of its digits is 6048, while the sum is 33.

The square root of 122971146 is about 11089.2355913291. The cubic root of 122971146 is about 497.2800923671.

The spelling of 122971146 in words is "one hundred twenty-two million, nine hundred seventy-one thousand, one hundred forty-six".