107621 has 2 divisors, whose sum is σ = 107622. Its totient is φ = 107620.

The previous prime is 107609. The next prime is 107641. The reversal of 107621 is 126701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98596 + 9025 = 314^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 107621 - 2¹⁴ = 91237 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 107621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53810 + 53811.

It is an arithmetic number, because the mean of its divisors is an integer number (53811).

2¹⁰⁷⁶²¹ is an apocalyptic number.

It is an amenable number.

107621 is a deficient number, since it is larger than the sum of its proper divisors (1).

107621 is an equidigital number, since it uses as much as digits as its factorization.

107621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 107621 is about 328.0563975904. The cubic root of 107621 is about 47.5662602510.

The spelling of 107621 in words is "one hundred seven thousand, six hundred twenty-one".