122366731 has 4 divisors (see below), whose sum is σ = 129564792. Its totient is φ = 115168672.

The previous prime is 122366719. The next prime is 122366743. The reversal of 122366731 is 137663221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122366719) and next prime (122366743).

It is a cyclic number.

It is not a de Polignac number, because 122366731 - 2⁷ = 122366603 is a prime.

It is a super-2 number, since 2×122366731² = 29947233711252722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122366693 and 122366702.

It is not an unprimeable number, because it can be changed into a prime (122366701) 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, 3599005 + ... + 3599038.

It is an arithmetic number, because the mean of its divisors is an integer number (32391198).

Almost surely, 2^122366731 is an apocalyptic number.

122366731 is a deficient number, since it is larger than the sum of its proper divisors (7198061).

122366731 is an equidigital number, since it uses as much as digits as its factorization.

122366731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7198060.

The product of its digits is 9072, while the sum is 31.

The square root of 122366731 is about 11061.9496925271. The cubic root of 122366731 is about 496.4640274099.

The spelling of 122366731 in words is "one hundred twenty-two million, three hundred sixty-six thousand, seven hundred thirty-one".