122812473 has 12 divisors (see below), whose sum is σ = 190484880. Its totient is φ = 70178472.

The previous prime is 122812451. The next prime is 122812493. The reversal of 122812473 is 374218221.

It is a de Polignac number, because none of the positive numbers 2^k-122812473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122812473.

It is not an unprimeable number, because it can be changed into a prime (122812493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417583 + ... + 417876.

It is an arithmetic number, because the mean of its divisors is an integer number (15873740).

Almost surely, 2^122812473 is an apocalyptic number.

It is an amenable number.

122812473 is a deficient number, since it is larger than the sum of its proper divisors (67672407).

122812473 is an equidigital number, since it uses as much as digits as its factorization.

122812473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835476 (or 835469 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 122812473 is about 11082.0789114678. The cubic root of 122812473 is about 497.0661156505.

The spelling of 122812473 in words is "one hundred twenty-two million, eight hundred twelve thousand, four hundred seventy-three".