122131005 has 32 divisors (see below), whose sum is σ = 203067648. Its totient is φ = 62630400.

The previous prime is 122130997. The next prime is 122131019. The reversal of 122131005 is 500131221.

It is not a de Polignac number, because 122131005 - 2³ = 122130997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42267 + ... + 45063.

It is an arithmetic number, because the mean of its divisors is an integer number (6345864).

Almost surely, 2^122131005 is an apocalyptic number.

122131005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122131005 is a deficient number, since it is larger than the sum of its proper divisors (80936643).

122131005 is a wasteful number, since it uses less digits than its factorization.

122131005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 122131005 is about 11051.2897437358. The cubic root of 122131005 is about 496.1450281006.

Adding to 122131005 its reverse (500131221), we get a palindrome (622262226).

The spelling of 122131005 in words is "one hundred twenty-two million, one hundred thirty-one thousand, five".