123011162 has 16 divisors (see below), whose sum is σ = 195620352. Its totient is φ = 57911760.

The previous prime is 123011143. The next prime is 123011171. The reversal of 123011162 is 261110321.

It is a self number, because there is not a number n which added to its sum of digits gives 123011162.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24518 + ... + 29105.

It is an arithmetic number, because the mean of its divisors is an integer number (12226272).

Almost surely, 2^123011162 is an apocalyptic number.

123011162 is a deficient number, since it is larger than the sum of its proper divisors (72609190).

123011162 is a wasteful number, since it uses less digits than its factorization.

123011162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53693.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 123011162 is about 11091.0397168165. The cubic root of 123011162 is about 497.3340264341.

Adding to 123011162 its reverse (261110321), we get a palindrome (384121483).

The spelling of 123011162 in words is "one hundred twenty-three million, eleven thousand, one hundred sixty-two".