123056126 has 4 divisors (see below), whose sum is σ = 184584192. Its totient is φ = 61528062.

The previous prime is 123056119. The next prime is 123056161. The reversal of 123056126 is 621650321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621650321 = 67 ⋅9278363.

It is a super-2 number, since 2×123056126² = 30285620292255752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123056095 and 123056104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30764030 + ... + 30764033.

It is an arithmetic number, because the mean of its divisors is an integer number (46146048).

Almost surely, 2^123056126 is an apocalyptic number.

123056126 is a deficient number, since it is larger than the sum of its proper divisors (61528066).

123056126 is an equidigital number, since it uses as much as digits as its factorization.

123056126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61528065.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 123056126 is about 11093.0665733151. The cubic root of 123056126 is about 497.3946155240.

The spelling of 123056126 in words is "one hundred twenty-three million, fifty-six thousand, one hundred twenty-six".