122783474 has 8 divisors (see below), whose sum is σ = 200918448. Its totient is φ = 55810660.

The previous prime is 122783461. The next prime is 122783483. The reversal of 122783474 is 474387221.

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

It is a Curzon 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, 2790512 + ... + 2790555.

It is an arithmetic number, because the mean of its divisors is an integer number (25114806).

Almost surely, 2^122783474 is an apocalyptic number.

122783474 is a deficient number, since it is larger than the sum of its proper divisors (78134974).

122783474 is a wasteful number, since it uses less digits than its factorization.

122783474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581080.

The product of its digits is 75264, while the sum is 38.

The square root of 122783474 is about 11080.7704605772. The cubic root of 122783474 is about 497.0269894537.

The spelling of 122783474 in words is "one hundred twenty-two million, seven hundred eighty-three thousand, four hundred seventy-four".