126683525386621 has 8 divisors (see below), whose sum is σ = 144781288248960. Its totient is φ = 108585791618928.

The previous prime is 126683525386601. The next prime is 126683525386681.

126683525386621 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126683525386621 - 2¹¹ = 126683525384573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126683525386601) 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, 3029760 + ... + 16203286.

It is an arithmetic number, because the mean of its divisors is an integer number (18097661031120).

Almost surely, 2^{126683525386621} is an apocalyptic number.

It is an amenable number.

126683525386621 is a deficient number, since it is larger than the sum of its proper divisors (18097762862339).

126683525386621 is a wasteful number, since it uses less digits than its factorization.

126683525386621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14547323.

The product of its digits is 149299200, while the sum is 64.

The spelling of 126683525386621 in words is "one hundred twenty-six trillion, six hundred eighty-three billion, five hundred twenty-five million, three hundred eighty-six thousand, six hundred twenty-one".