1242006626 has 12 divisors (see below), whose sum is σ = 2167174998. Its totient is φ = 532288512.

The previous prime is 1242006613. The next prime is 1242006629. The reversal of 1242006626 is 6266002421.

It can be written as a sum of positive squares in only one way, i.e., 650301001 + 591705625 = 25501^2 + 24325^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1242006629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6336671 + ... + 6336866.

Almost surely, 2^1242006626 is an apocalyptic number.

1242006626 is a deficient number, since it is larger than the sum of its proper divisors (925168372).

1242006626 is a wasteful number, since it uses less digits than its factorization.

1242006626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12673553 (or 12673546 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1242006626 is about 35242.1143803830. The cubic root of 1242006626 is about 1074.9162728372.

The spelling of 1242006626 in words is "one billion, two hundred forty-two million, six thousand, six hundred twenty-six".