122803645 has 4 divisors (see below), whose sum is σ = 147364380. Its totient is φ = 98242912.

The previous prime is 122803627. The next prime is 122803663. The reversal of 122803645 is 546308221.

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 (122803627) and next prime (122803663).

It can be written as a sum of positive squares in 2 ways, for example, as 13935289 + 108868356 = 3733^2 + 10434^2 .

It is a cyclic number.

It is not a de Polignac number, because 122803645 - 2⁹ = 122803133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12280360 + ... + 12280369.

It is an arithmetic number, because the mean of its divisors is an integer number (36841095).

Almost surely, 2^122803645 is an apocalyptic number.

It is an amenable number.

122803645 is a deficient number, since it is larger than the sum of its proper divisors (24560735).

122803645 is an equidigital number, since it uses as much as digits as its factorization.

122803645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24560734.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 122803645 is about 11081.6806035908. The cubic root of 122803645 is about 497.0542053379.

The spelling of 122803645 in words is "one hundred twenty-two million, eight hundred three thousand, six hundred forty-five".