1006134421601 has 4 divisors (see below), whose sum is σ = 1013478468612. Its totient is φ = 998790374592.

The previous prime is 1006134421577. The next prime is 1006134421661. The reversal of 1006134421601 is 1061244316001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 588786120976 + 417348300625 = 767324^2 + 646025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006134421601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006134421661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3672023300 + ... + 3672023573.

It is an arithmetic number, because the mean of its divisors is an integer number (253369617153).

Almost surely, 2^{1006134421601} is an apocalyptic number.

It is an amenable number.

1006134421601 is a deficient number, since it is larger than the sum of its proper divisors (7344047011).

1006134421601 is an equidigital number, since it uses as much as digits as its factorization.

1006134421601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344047010.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 1006134421601 its reverse (1061244316001), we get a palindrome (2067378737602).

The spelling of 1006134421601 in words is "one trillion, six billion, one hundred thirty-four million, four hundred twenty-one thousand, six hundred one".