122163139 has 8 divisors (see below), whose sum is σ = 147827808. Its totient is φ = 98551680.

The previous prime is 122163137. The next prime is 122163161. The reversal of 122163139 is 931361221.

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

It is a cyclic number.

It is not a de Polignac number, because 122163139 - 2¹ = 122163137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122163131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513172 + ... + 513409.

It is an arithmetic number, because the mean of its divisors is an integer number (18478476).

Almost surely, 2^122163139 is an apocalyptic number.

122163139 is a deficient number, since it is larger than the sum of its proper divisors (25664669).

122163139 is a wasteful number, since it uses less digits than its factorization.

122163139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026605.

The product of its digits is 1944, while the sum is 28.

The square root of 122163139 is about 11052.7435055736. The cubic root of 122163139 is about 496.1885380083.

The spelling of 122163139 in words is "one hundred twenty-two million, one hundred sixty-three thousand, one hundred thirty-nine".