1002010243 has 16 divisors (see below), whose sum is σ = 1143767520. Its totient is φ = 869607936.

The previous prime is 1002010231. The next prime is 1002010253. The reversal of 1002010243 is 3420102001.

It is not a de Polignac number, because 1002010243 - 2¹³ = 1002002051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002010253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287113 + ... + 290581.

It is an arithmetic number, because the mean of its divisors is an integer number (71485470).

Almost surely, 2^1002010243 is an apocalyptic number.

1002010243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1002010243 is a deficient number, since it is larger than the sum of its proper divisors (141757277).

1002010243 is a wasteful number, since it uses less digits than its factorization.

1002010243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1002010243 is about 31654.5453766122. The cubic root of 1002010243 is about 1000.6696324922.

Adding to 1002010243 its reverse (3420102001), we get a palindrome (4422112244).

The spelling of 1002010243 in words is "one billion, two million, ten thousand, two hundred forty-three".