621010107 has 12 divisors (see below), whose sum is σ = 916100640. Its totient is φ = 405197808.

The previous prime is 621010099. The next prime is 621010111. The reversal of 621010107 is 701010126.

It is not a de Polignac number, because 621010107 - 2³ = 621010099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 621010107.

It is not an unprimeable number, because it can be changed into a prime (621010157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733632 + ... + 734477.

It is an arithmetic number, because the mean of its divisors is an integer number (76341720).

Almost surely, 2^621010107 is an apocalyptic number.

621010107 is a deficient number, since it is larger than the sum of its proper divisors (295090533).

621010107 is a wasteful number, since it uses less digits than its factorization.

621010107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468162 (or 1468159 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 621010107 is about 24920.0743778986. The cubic root of 621010107 is about 853.1647224269.

The spelling of 621010107 in words is "six hundred twenty-one million, ten thousand, one hundred seven".