122173031 has 2 divisors, whose sum is σ = 122173032. Its totient is φ = 122173030.

The previous prime is 122173013. The next prime is 122173061. The reversal of 122173031 is 130371221.

Together with previous prime (122173013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (130371221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122173031 - 2¹⁰ = 122172007 is a prime.

It is a super-2 number, since 2×122173031² = 29852499007453922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122172994 and 122173012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122173061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61086515 + 61086516.

It is an arithmetic number, because the mean of its divisors is an integer number (61086516).

Almost surely, 2^122173031 is an apocalyptic number.

122173031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122173031 is an equidigital number, since it uses as much as digits as its factorization.

122173031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 122173031 is about 11053.1909872217. The cubic root of 122173031 is about 496.2019303856.

The spelling of 122173031 in words is "one hundred twenty-two million, one hundred seventy-three thousand, thirty-one".