122240685 has 32 divisors (see below), whose sum is σ = 225257472. Its totient is φ = 55448640.

The previous prime is 122240683. The next prime is 122240687. The reversal of 122240685 is 586042221.

It is an interprime number because it is at equal distance from previous prime (122240683) and next prime (122240687).

It is not a de Polignac number, because 122240685 - 2¹ = 122240683 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122240681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9312 + ... + 18198.

It is an arithmetic number, because the mean of its divisors is an integer number (7039296).

Almost surely, 2^122240685 is an apocalyptic number.

122240685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122240685 is a deficient number, since it is larger than the sum of its proper divisors (103016787).

122240685 is a wasteful number, since it uses less digits than its factorization.

122240685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9033.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 122240685 is about 11056.2509468626. The cubic root of 122240685 is about 496.2935050168.

The spelling of 122240685 in words is "one hundred twenty-two million, two hundred forty thousand, six hundred eighty-five".