1263126 has 16 divisors (see below), whose sum is σ = 2608128. Its totient is φ = 407400.

The previous prime is 1263121. The next prime is 1263133. The reversal of 1263126 is 6213621.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3210 + ... + 3581.

It is an arithmetic number, because the mean of its divisors is an integer number (163008).

2^1263126 is an apocalyptic number.

1263126 is an abundant number, since it is smaller than the sum of its proper divisors (1345002).

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

1263126 is a wasteful number, since it uses less digits than its factorization.

1263126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827.

The product of its digits is 432, while the sum is 21.

The square root of 1263126 is about 1123.8887845334. Note that the first 3 decimals coincide. The cubic root of 1263126 is about 108.0974771517.

Adding to 1263126 its reverse (6213621), we get a palindrome (7476747).

The spelling of 1263126 in words is "one million, two hundred sixty-three thousand, one hundred twenty-six".