1002867049 has 2 divisors, whose sum is σ = 1002867050. Its totient is φ = 1002867048.

The previous prime is 1002867037. The next prime is 1002867071. The reversal of 1002867049 is 9407682001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1001279449 + 1587600 = 31643^2 + 1260^2 .

It is an emirp because it is prime and its reverse (9407682001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002867049 - 2¹⁷ = 1002735977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002866999 and 1002867017.

It is not a weakly prime, because it can be changed into another prime (1002867149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501433524 + 501433525.

It is an arithmetic number, because the mean of its divisors is an integer number (501433525).

Almost surely, 2^1002867049 is an apocalyptic number.

It is an amenable number.

1002867049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002867049 is an equidigital number, since it uses as much as digits as its factorization.

1002867049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1002867049 is about 31668.0761809113. The cubic root of 1002867049 is about 1000.9547711220.

It can be divided in two parts, 10028 and 67049, that added together give a palindrome (77077).

The spelling of 1002867049 in words is "one billion, two million, eight hundred sixty-seven thousand, forty-nine".