122487773 has 4 divisors (see below), whose sum is σ = 123369120. Its totient is φ = 121606428.

The previous prime is 122487733. The next prime is 122487803. The reversal of 122487773 is 377784221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122487773 - 2¹² = 122483677 is a prime.

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 122487773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122487733) 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, 440465 + ... + 440742.

It is an arithmetic number, because the mean of its divisors is an integer number (30842280).

Almost surely, 2^122487773 is an apocalyptic number.

It is an amenable number.

122487773 is a deficient number, since it is larger than the sum of its proper divisors (881347).

122487773 is an equidigital number, since it uses as much as digits as its factorization.

122487773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881346.

The product of its digits is 131712, while the sum is 41.

The square root of 122487773 is about 11067.4194372491. The cubic root of 122487773 is about 496.6276699159.

The spelling of 122487773 in words is "one hundred twenty-two million, four hundred eighty-seven thousand, seven hundred seventy-three".