123077005 has 4 divisors (see below), whose sum is σ = 147692412. Its totient is φ = 98461600.

The previous prime is 123076997. The next prime is 123077021. The reversal of 123077005 is 500770321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500770321 = 37 ⋅13534333.

It can be written as a sum of positive squares in 2 ways, for example, as 44169316 + 78907689 = 6646^2 + 8883^2 .

It is not a de Polignac number, because 123077005 - 2³ = 123076997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12307696 + ... + 12307705.

It is an arithmetic number, because the mean of its divisors is an integer number (36923103).

Almost surely, 2^123077005 is an apocalyptic number.

It is an amenable number.

123077005 is a deficient number, since it is larger than the sum of its proper divisors (24615407).

123077005 is an equidigital number, since it uses as much as digits as its factorization.

123077005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24615406.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 123077005 is about 11094.0076167271. The cubic root of 123077005 is about 497.4227450051.

The spelling of 123077005 in words is "one hundred twenty-three million, seventy-seven thousand, five".