1201012426 has 16 divisors (see below), whose sum is σ = 1848937608. Its totient is φ = 584755200.

The previous prime is 1201012399. The next prime is 1201012429. The reversal of 1201012426 is 6242101021.

It can be written as a sum of positive squares in 4 ways, for example, as 670861801 + 530150625 = 25901^2 + 23025^2 .

It is not an unprimeable number, because it can be changed into a prime (1201012429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30826 + ... + 57898.

Almost surely, 2^1201012426 is an apocalyptic number.

1201012426 is a deficient number, since it is larger than the sum of its proper divisors (647925182).

1201012426 is a wasteful number, since it uses less digits than its factorization.

1201012426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27657.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1201012426 is about 34655.6261810402. The cubic root of 1201012426 is about 1062.9573360554.

Adding to 1201012426 its reverse (6242101021), we get a palindrome (7443113447).

The spelling of 1201012426 in words is "one billion, two hundred one million, twelve thousand, four hundred twenty-six".