126897 has 4 divisors (see below), whose sum is σ = 169200. Its totient is φ = 84596.

The previous prime is 126859. The next prime is 126913. The reversal of 126897 is 798621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126897 - 2⁸ = 126641 is a prime.

It is a super-2 number, since 2×126897² = 32205697218, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (126827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21147 + ... + 21152.

It is an arithmetic number, because the mean of its divisors is an integer number (42300).

2¹²⁶⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

126897 is a deficient number, since it is larger than the sum of its proper divisors (42303).

126897 is an equidigital number, since it uses as much as digits as its factorization.

126897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42302.

The product of its digits is 6048, while the sum is 33.

The square root of 126897 is about 356.2260518266. The cubic root of 126897 is about 50.2516645076.

The spelling of 126897 in words is "one hundred twenty-six thousand, eight hundred ninety-seven".