126001026 has 12 divisors (see below), whose sum is σ = 273002262. Its totient is φ = 42000336.

The previous prime is 126000983. The next prime is 126001037. The reversal of 126001026 is 620100621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 97002801 + 28998225 = 9849^2 + 5385^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7000057 = 126001026 / (1 + 2 + 6 + 0 + 0 + 1 + 0 + 2 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3500011 + ... + 3500046.

Almost surely, 2^126001026 is an apocalyptic number.

126001026 is an abundant number, since it is smaller than the sum of its proper divisors (147001236).

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

126001026 is a wasteful number, since it uses less digits than its factorization.

126001026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000065 (or 7000062 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 126001026 is about 11225.0178619012. The cubic root of 126001026 is about 501.3311542451.

Adding to 126001026 its reverse (620100621), we get a palindrome (746101647).

The spelling of 126001026 in words is "one hundred twenty-six million, one thousand, twenty-six".