126363621 has 8 divisors (see below), whose sum is σ = 173038624. Its totient is φ = 81965520.

The previous prime is 126363613. The next prime is 126363659.

126363621 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 126363621 - 2³ = 126363613 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 (126323621) 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, 569095 + ... + 569316.

It is an arithmetic number, because the mean of its divisors is an integer number (21629828).

Almost surely, 2^126363621 is an apocalyptic number.

It is an amenable number.

126363621 is a deficient number, since it is larger than the sum of its proper divisors (46675003).

126363621 is a wasteful number, since it uses less digits than its factorization.

126363621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138451.

The product of its digits is 7776, while the sum is 30.

The square root of 126363621 is about 11241.1574581980. The cubic root of 126363621 is about 501.8115896917.

The spelling of 126363621 in words is "one hundred twenty-six million, three hundred sixty-three thousand, six hundred twenty-one".