122873405 has 4 divisors (see below), whose sum is σ = 147448092. Its totient is φ = 98298720.

The previous prime is 122873339. The next prime is 122873417. The reversal of 122873405 is 504378221.

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 48413764 + 74459641 = 6958^2 + 8629^2 .

It is not a de Polignac number, because 122873405 - 2¹⁰ = 122872381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12287336 + ... + 12287345.

It is an arithmetic number, because the mean of its divisors is an integer number (36862023).

Almost surely, 2^122873405 is an apocalyptic number.

It is an amenable number.

122873405 is a deficient number, since it is larger than the sum of its proper divisors (24574687).

122873405 is an equidigital number, since it uses as much as digits as its factorization.

122873405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24574686.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 122873405 is about 11084.8276937443. The cubic root of 122873405 is about 497.1483066102.

The spelling of 122873405 in words is "one hundred twenty-two million, eight hundred seventy-three thousand, four hundred five".