122231005 has 16 divisors (see below), whose sum is σ = 158215680. Its totient is φ = 90116928.

The previous prime is 122230967. The next prime is 122231033. The reversal of 122231005 is 500132221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122231005 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122231005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55006 + ... + 57184.

It is an arithmetic number, because the mean of its divisors is an integer number (9888480).

Almost surely, 2^122231005 is an apocalyptic number.

It is an amenable number.

122231005 is a deficient number, since it is larger than the sum of its proper divisors (35984675).

122231005 is a wasteful number, since it uses less digits than its factorization.

122231005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 122231005 is about 11055.8131767862. The cubic root of 122231005 is about 496.2804045014.

Adding to 122231005 its reverse (500132221), we get a palindrome (622363226).

The spelling of 122231005 in words is "one hundred twenty-two million, two hundred thirty-one thousand, five".