626420121 has 8 divisors (see below), whose sum is σ = 835353600. Its totient is φ = 417550032.

The previous prime is 626420107. The next prime is 626420161. The reversal of 626420121 is 121024626.

626420121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 626420121 - 2⁹ = 626419609 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 626420091 and 626420100.

It is not an unprimeable number, because it can be changed into a prime (626420161) 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, 16855 + ... + 39203.

It is an arithmetic number, because the mean of its divisors is an integer number (104419200).

Almost surely, 2^626420121 is an apocalyptic number.

It is an amenable number.

626420121 is a deficient number, since it is larger than the sum of its proper divisors (208933479).

626420121 is a wasteful number, since it uses less digits than its factorization.

626420121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31695.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 626420121 is about 25028.3863043545. The cubic root of 626420121 is about 855.6350495584.

Adding to 626420121 its reverse (121024626), we get a palindrome (747444747).

The spelling of 626420121 in words is "six hundred twenty-six million, four hundred twenty thousand, one hundred twenty-one".