1308123 has 8 divisors (see below), whose sum is σ = 1938000. Its totient is φ = 872064.

The previous prime is 1308121. The next prime is 1308137. The reversal of 1308123 is 3218031.

It is not a de Polignac number, because 1308123 - 2¹ = 1308121 is a prime.

It is a super-2 number, since 2×1308123² = 3422371566258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1308096 and 1308105.

It is not an unprimeable number, because it can be changed into a prime (1308121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24198 + ... + 24251.

It is an arithmetic number, because the mean of its divisors is an integer number (242250).

2^1308123 is an apocalyptic number.

1308123 is a deficient number, since it is larger than the sum of its proper divisors (629877).

1308123 is an equidigital number, since it uses as much as digits as its factorization.

1308123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48458 (or 48452 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1308123 is about 1143.7320490395. The cubic root of 1308123 is about 109.3661340296.

It can be divided in two parts, 1308 and 123, that added together give a triangular number (1431 = T₅₃).

The spelling of 1308123 in words is "one million, three hundred eight thousand, one hundred twenty-three".