126918 has 24 divisors (see below), whose sum is σ = 300456. Its totient is φ = 38400.

The previous prime is 126913. The next prime is 126923. The reversal of 126918 is 819621.

It is an interprime number because it is at equal distance from previous prime (126913) and next prime (126923).

It is a super-2 number, since 2×126918² = 32216357448, which contains 22 as substring.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 126891 and 126900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126913) by changing a digit.

126918 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123 + ... + 518.

It is an arithmetic number, because the mean of its divisors is an integer number (12519).

2¹²⁶⁹¹⁸ is an apocalyptic number.

126918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

126918 is an abundant number, since it is smaller than the sum of its proper divisors (173538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126918 is a wasteful number, since it uses less digits than its factorization.

126918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 657 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 126918 is about 356.2555262729. The cubic root of 126918 is about 50.2544363797.

The spelling of 126918 in words is "one hundred twenty-six thousand, nine hundred eighteen".