122580739 has 4 divisors (see below), whose sum is σ = 122719824. Its totient is φ = 122441656.

The previous prime is 122580713. The next prime is 122580749. The reversal of 122580739 is 937085221.

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

It is a cyclic number.

It is not a de Polignac number, because 122580739 - 2²³ = 114192131 is a prime.

It is a super-2 number, since 2×122580739² = 30052075147572242, 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 = 122580698 and 122580707.

It is not an unprimeable number, because it can be changed into a prime (122580749) 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, 68212 + ... + 69985.

It is an arithmetic number, because the mean of its divisors is an integer number (30679956).

Almost surely, 2^122580739 is an apocalyptic number.

122580739 is a deficient number, since it is larger than the sum of its proper divisors (139085).

122580739 is an equidigital number, since it uses as much as digits as its factorization.

122580739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139084.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 122580739 is about 11071.6186260185. The cubic root of 122580739 is about 496.7532819427.

The spelling of 122580739 in words is "one hundred twenty-two million, five hundred eighty thousand, seven hundred thirty-nine".