1002260749 has 8 divisors (see below), whose sum is σ = 1168817600. Its totient is φ = 859080348.

The previous prime is 1002260747. The next prime is 1002260767. The reversal of 1002260749 is 9470622001.

It is not a de Polignac number, because 1002260749 - 2¹ = 1002260747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002260749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002260747) 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 7 ways as a sum of consecutive naturals, for example, 1460679 + ... + 1461364.

It is an arithmetic number, because the mean of its divisors is an integer number (146102200).

Almost surely, 2^1002260749 is an apocalyptic number.

It is an amenable number.

1002260749 is a deficient number, since it is larger than the sum of its proper divisors (166556851).

1002260749 is an frugal number, since it uses more digits than its factorization.

1002260749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922064 (or 2922050 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1002260749 is about 31658.5020018320. The cubic root of 1002260749 is about 1000.7530158248.

The spelling of 1002260749 in words is "one billion, two million, two hundred sixty thousand, seven hundred forty-nine".