122082731 has 4 divisors (see below), whose sum is σ = 122331864. Its totient is φ = 121833600.

The previous prime is 122082713. The next prime is 122082749. The reversal of 122082731 is 137280221.

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 (122082713) and next prime (122082749).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122082731 is a prime.

It is a super-2 number, since 2×122082731² = 29808386416836722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122082731.

It is not an unprimeable number, because it can be changed into a prime (122082761) 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, 123830 + ... + 124811.

It is an arithmetic number, because the mean of its divisors is an integer number (30582966).

Almost surely, 2^122082731 is an apocalyptic number.

122082731 is a deficient number, since it is larger than the sum of its proper divisors (249133).

122082731 is an equidigital number, since it uses as much as digits as its factorization.

122082731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249132.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 122082731 is about 11049.1054389032. The cubic root of 122082731 is about 496.0796500491.

The spelling of 122082731 in words is "one hundred twenty-two million, eighty-two thousand, seven hundred thirty-one".