126278 has 8 divisors (see below), whose sum is σ = 191568. Its totient is φ = 62424.

The previous prime is 126271. The next prime is 126307. The reversal of 126278 is 872621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126278² = 31892266568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126271) 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, 101 + ... + 512.

It is an arithmetic number, because the mean of its divisors is an integer number (23946).

2¹²⁶²⁷⁸ is an apocalyptic number.

126278 is a deficient number, since it is larger than the sum of its proper divisors (65290).

126278 is a wasteful number, since it uses less digits than its factorization.

126278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718.

The product of its digits is 1344, while the sum is 26.

The square root of 126278 is about 355.3561593669. The cubic root of 126278 is about 50.1698225530.

Adding to 126278 its reverse (872621), we get a palindrome (998899).

It can be divided in two parts, 126 and 278, that added together give a palindrome (404).

The spelling of 126278 in words is "one hundred twenty-six thousand, two hundred seventy-eight".