122742473 has 8 divisors (see below), whose sum is σ = 140371392. Its totient is φ = 105137136.

The previous prime is 122742469. The next prime is 122742493. The reversal of 122742473 is 374247221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122742473 - 2² = 122742469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122742463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7211 + ... + 17247.

It is an arithmetic number, because the mean of its divisors is an integer number (17546424).

Almost surely, 2^122742473 is an apocalyptic number.

It is an amenable number.

122742473 is a deficient number, since it is larger than the sum of its proper divisors (17628919).

122742473 is a wasteful number, since it uses less digits than its factorization.

122742473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11791.

The product of its digits is 18816, while the sum is 32.

The square root of 122742473 is about 11078.9202091179. The cubic root of 122742473 is about 496.9716593356.

Adding to 122742473 its reverse (374247221), we get a palindrome (496989694).

The spelling of 122742473 in words is "one hundred twenty-two million, seven hundred forty-two thousand, four hundred seventy-three".