126425 has 12 divisors (see below), whose sum is σ = 169260. Its totient is φ = 93120.

The previous prime is 126421. The next prime is 126433. The reversal of 126425 is 524621.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 26569 + 99856 = 163^2 + 316^2 .

It is not a de Polignac number, because 126425 - 2² = 126421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126397 and 126406.

It is not an unprimeable number, because it can be changed into a prime (126421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131 + ... + 519.

It is an arithmetic number, because the mean of its divisors is an integer number (14105).

2¹²⁶⁴²⁵ is an apocalyptic number.

It is an amenable number.

126425 is a deficient number, since it is larger than the sum of its proper divisors (42835).

126425 is a wasteful number, since it uses less digits than its factorization.

126425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 407 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 126425 is about 355.5629339512. The cubic root of 126425 is about 50.1892825382.

The spelling of 126425 in words is "one hundred twenty-six thousand, four hundred twenty-five".