123244077 has 16 divisors (see below), whose sum is σ = 184110912. Its totient is φ = 72673920.

The previous prime is 123244057. The next prime is 123244081. The reversal of 123244077 is 770442321.

It is a de Polignac number, because none of the positive numbers 2^k-123244077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123244007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49248 + ... + 51689.

It is an arithmetic number, because the mean of its divisors is an integer number (11506932).

Almost surely, 2^123244077 is an apocalyptic number.

It is an amenable number.

123244077 is a deficient number, since it is larger than the sum of its proper divisors (60866835).

123244077 is a wasteful number, since it uses less digits than its factorization.

123244077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100988.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 123244077 is about 11101.5348938784. The cubic root of 123244077 is about 497.6477202475.

Adding to 123244077 its reverse (770442321), we get a palindrome (893686398).

The spelling of 123244077 in words is "one hundred twenty-three million, two hundred forty-four thousand, seventy-seven".