122123031001 has 4 divisors (see below), whose sum is σ = 122124972004. Its totient is φ = 122121090000.

The previous prime is 122123030947. The next prime is 122123031007. The reversal of 122123031001 is 100130321221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88254149776 + 33868881225 = 297076^2 + 184035^2 .

It is a cyclic number.

It is not a de Polignac number, because 122123031001 - 2²⁷ = 121988813273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122123031007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872850 + ... + 1003051.

It is an arithmetic number, because the mean of its divisors is an integer number (30531243001).

Almost surely, 2^122123031001 is an apocalyptic number.

It is an amenable number.

122123031001 is a deficient number, since it is larger than the sum of its proper divisors (1941003).

122123031001 is an equidigital number, since it uses as much as digits as its factorization.

122123031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941002.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 122123031001 its reverse (100130321221), we get a palindrome (222253352222).

The spelling of 122123031001 in words is "one hundred twenty-two billion, one hundred twenty-three million, thirty-one thousand, one".