122390685 has 48 divisors (see below), whose sum is σ = 228571200. Its totient is φ = 60383232.

The previous prime is 122390683. The next prime is 122390687. The reversal of 122390685 is 586093221.

It is an interprime number because it is at equal distance from previous prime (122390683) and next prime (122390687).

It is not a de Polignac number, because 122390685 - 2¹ = 122390683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122390683) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35101 + ... + 38429.

It is an arithmetic number, because the mean of its divisors is an integer number (4761900).

Almost surely, 2^122390685 is an apocalyptic number.

122390685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122390685 is a deficient number, since it is larger than the sum of its proper divisors (106180515).

122390685 is a wasteful number, since it uses less digits than its factorization.

122390685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3399 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 122390685 is about 11063.0323600720. The cubic root of 122390685 is about 496.4964205375.

The spelling of 122390685 in words is "one hundred twenty-two million, three hundred ninety thousand, six hundred eighty-five".