122173437 has 4 divisors (see below), whose sum is σ = 162897920. Its totient is φ = 81448956.

The previous prime is 122173411. The next prime is 122173487. The reversal of 122173437 is 734371221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 734371221 = 3 ⋅244790407.

It is not a de Polignac number, because 122173437 - 2¹⁶ = 122107901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122173487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20362237 + ... + 20362242.

It is an arithmetic number, because the mean of its divisors is an integer number (40724480).

Almost surely, 2^122173437 is an apocalyptic number.

It is an amenable number.

122173437 is a deficient number, since it is larger than the sum of its proper divisors (40724483).

122173437 is an equidigital number, since it uses as much as digits as its factorization.

122173437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40724482.

The product of its digits is 7056, while the sum is 30.

The square root of 122173437 is about 11053.2093529436. The cubic root of 122173437 is about 496.2024800371.

The spelling of 122173437 in words is "one hundred twenty-two million, one hundred seventy-three thousand, four hundred thirty-seven".