107980729 has 2 divisors, whose sum is σ = 107980730. Its totient is φ = 107980728.

The previous prime is 107980723. The next prime is 107980739. The reversal of 107980729 is 927089701.

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., 71014329 + 36966400 = 8427^2 + 6080^2 .

It is an emirp because it is prime and its reverse (927089701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107980729 - 2³ = 107980721 is a prime.

It is not a weakly prime, because it can be changed into another prime (107980721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53990364 + 53990365.

It is an arithmetic number, because the mean of its divisors is an integer number (53990365).

Almost surely, 2^107980729 is an apocalyptic number.

It is an amenable number.

107980729 is a deficient number, since it is larger than the sum of its proper divisors (1).

107980729 is an equidigital number, since it uses as much as digits as its factorization.

107980729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 107980729 is about 10391.3776276296. The cubic root of 107980729 is about 476.1919890855.

The spelling of 107980729 in words is "one hundred seven million, nine hundred eighty thousand, seven hundred twenty-nine".