682621121 has 16 divisors (see below), whose sum is σ = 844523904. Its totient is φ = 537283584.

The previous prime is 682621109. The next prime is 682621123. The reversal of 682621121 is 121126286.

It is a cyclic number.

It is not a de Polignac number, because 682621121 - 2⁶ = 682621057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (682621123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1871 + ... + 36996.

It is an arithmetic number, because the mean of its divisors is an integer number (52782744).

Almost surely, 2^682621121 is an apocalyptic number.

It is an amenable number.

682621121 is a deficient number, since it is larger than the sum of its proper divisors (161902783).

682621121 is a wasteful number, since it uses less digits than its factorization.

682621121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39080.

The product of its digits is 2304, while the sum is 29.

The square root of 682621121 is about 26127.0189841857. The cubic root of 682621121 is about 880.4943507700.

The spelling of 682621121 in words is "six hundred eighty-two million, six hundred twenty-one thousand, one hundred twenty-one".