122409494 has 8 divisors (see below), whose sum is σ = 183765000. Its totient is φ = 61154496.

The previous prime is 122409461. The next prime is 122409499. The reversal of 122409494 is 494904221.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122409499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22004 + ... + 26999.

It is an arithmetic number, because the mean of its divisors is an integer number (22970625).

Almost surely, 2^122409494 is an apocalyptic number.

122409494 is a deficient number, since it is larger than the sum of its proper divisors (61355506).

122409494 is a wasteful number, since it uses less digits than its factorization.

122409494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50254.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 122409494 is about 11063.8824107996. The cubic root of 122409494 is about 496.5218530907.

The spelling of 122409494 in words is "one hundred twenty-two million, four hundred nine thousand, four hundred ninety-four".