122652252146 has 4 divisors (see below), whose sum is σ = 183978378222. Its totient is φ = 61326126072.

The previous prime is 122652252133. The next prime is 122652252169. The reversal of 122652252146 is 641252256221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641252256221 = 131 ⋅4895055391.

It can be written as a sum of positive squares in only one way, i.e., 121096344121 + 1555908025 = 347989^2 + 39445^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30663063035 + ... + 30663063038.

Almost surely, 2^122652252146 is an apocalyptic number.

122652252146 is a deficient number, since it is larger than the sum of its proper divisors (61326126076).

122652252146 is an equidigital number, since it uses as much as digits as its factorization.

122652252146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61326126075.

The product of its digits is 115200, while the sum is 38.

The spelling of 122652252146 in words is "one hundred twenty-two billion, six hundred fifty-two million, two hundred fifty-two thousand, one hundred forty-six".