985115029 has 2 divisors, whose sum is σ = 985115030. Its totient is φ = 985115028.

The previous prime is 985115023. The next prime is 985115041. The reversal of 985115029 is 920511589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 981882225 + 3232804 = 31335^2 + 1798^2 .

It is a cyclic number.

It is not a de Polignac number, because 985115029 - 2⁹ = 985114517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 985114982 and 985115000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985115023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492557514 + 492557515.

It is an arithmetic number, because the mean of its divisors is an integer number (492557515).

Almost surely, 2^985115029 is an apocalyptic number.

It is an amenable number.

985115029 is a deficient number, since it is larger than the sum of its proper divisors (1).

985115029 is an equidigital number, since it uses as much as digits as its factorization.

985115029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 985115029 is about 31386.5421638001. The cubic root of 985115029 is about 995.0135193402.

The spelling of 985115029 in words is "nine hundred eighty-five million, one hundred fifteen thousand, twenty-nine".