1002867061 has 4 divisors (see below), whose sum is σ = 1146133792. Its totient is φ = 859600332.

The previous prime is 1002867049. The next prime is 1002867071. The reversal of 1002867061 is 1607682001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1607682001 = 181 ⋅8882221.

It is a cyclic number.

It is not a de Polignac number, because 1002867061 - 2⁷ = 1002866933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002867071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71633355 + ... + 71633368.

It is an arithmetic number, because the mean of its divisors is an integer number (286533448).

Almost surely, 2^1002867061 is an apocalyptic number.

It is an amenable number.

1002867061 is a deficient number, since it is larger than the sum of its proper divisors (143266731).

1002867061 is an equidigital number, since it uses as much as digits as its factorization.

1002867061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143266730.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1002867061 is about 31668.0763703765. The cubic root of 1002867061 is about 1000.9547751144.

The spelling of 1002867061 in words is "one billion, two million, eight hundred sixty-seven thousand, sixty-one".