1016487229 has 4 divisors (see below), whose sum is σ = 1016632540. Its totient is φ = 1016341920.

The previous prime is 1016487221. The next prime is 1016487253. The reversal of 1016487229 is 9227846101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9227846101 = 42751 ⋅215851.

It can be written as a sum of positive squares in 2 ways, for example, as 772284100 + 244203129 = 27790^2 + 15627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016487229 - 2³ = 1016487221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1016487191 and 1016487200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016487221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61602 + ... + 76339.

It is an arithmetic number, because the mean of its divisors is an integer number (254158135).

Almost surely, 2^1016487229 is an apocalyptic number.

It is an amenable number.

1016487229 is a deficient number, since it is larger than the sum of its proper divisors (145311).

1016487229 is an equidigital number, since it uses as much as digits as its factorization.

1016487229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145310.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1016487229 is about 31882.3968515543. The cubic root of 1016487229 is about 1005.4658134527.

The spelling of 1016487229 in words is "one billion, sixteen million, four hundred eighty-seven thousand, two hundred twenty-nine".