126146 has 4 divisors (see below), whose sum is σ = 189222. Its totient is φ = 63072.

The previous prime is 126143. The next prime is 126151. The reversal of 126146 is 641621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641621 = 449 ⋅1429.

It can be written as a sum of positive squares in only one way, i.e., 126025 + 121 = 355^2 + 11^2 .

It is a d-powerful number, because it can be written as 1 + 2¹⁵ + 1 + 6⁶ + 4³ + 6⁶ .

It is a Curzon number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (126143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31535 + ... + 31538.

2¹²⁶¹⁴⁶ is an apocalyptic number.

126146 is a deficient number, since it is larger than the sum of its proper divisors (63076).

126146 is an equidigital number, since it uses as much as digits as its factorization.

126146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63075.

The product of its digits is 288, while the sum is 20.

The square root of 126146 is about 355.1703816480. The cubic root of 126146 is about 50.1523354071.

Adding to 126146 its reverse (641621), we get a palindrome (767767).

It can be divided in two parts, 126 and 146, that added together give a palindrome (272).

The spelling of 126146 in words is "one hundred twenty-six thousand, one hundred forty-six".