122689347 has 8 divisors (see below), whose sum is σ = 178457280. Its totient is φ = 74357160.

The previous prime is 122689331. The next prime is 122689367. The reversal of 122689347 is 743986221.

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

It is not a de Polignac number, because 122689347 - 2⁴ = 122689331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122689299 and 122689308.

It is not an unprimeable number, because it can be changed into a prime (122689367) 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, 1858897 + ... + 1858962.

It is an arithmetic number, because the mean of its divisors is an integer number (22307160).

Almost surely, 2^122689347 is an apocalyptic number.

122689347 is a deficient number, since it is larger than the sum of its proper divisors (55767933).

122689347 is a wasteful number, since it uses less digits than its factorization.

122689347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717873.

The product of its digits is 145152, while the sum is 42.

The square root of 122689347 is about 11076.5223332958. The cubic root of 122689347 is about 496.8999484170.

The spelling of 122689347 in words is "one hundred twenty-two million, six hundred eighty-nine thousand, three hundred forty-seven".