123026031 has 12 divisors (see below), whose sum is σ = 180208080. Its totient is φ = 80861760.

The previous prime is 123026023. The next prime is 123026039. The reversal of 123026031 is 130620321.

It is an interprime number because it is at equal distance from previous prime (123026023) and next prime (123026039).

It is not a de Polignac number, because 123026031 - 2³ = 123026023 is a prime.

It is a super-2 number, since 2×123026031² = 30270808607225922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123025995 and 123026013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123026039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95626 + ... + 96903.

It is an arithmetic number, because the mean of its divisors is an integer number (15017340).

Almost surely, 2^123026031 is an apocalyptic number.

123026031 is a deficient number, since it is larger than the sum of its proper divisors (57182049).

123026031 is a wasteful number, since it uses less digits than its factorization.

123026031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192606 (or 192603 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 123026031 is about 11091.7100124372. The cubic root of 123026031 is about 497.3540640784.

Adding to 123026031 its reverse (130620321), we get a palindrome (253646352).

It can be divided in two parts, 1230 and 26031, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 123026031 in words is "one hundred twenty-three million, twenty-six thousand, thirty-one".