1010503243 has 4 divisors (see below), whose sum is σ = 1032003360. Its totient is φ = 989003128.

The previous prime is 1010503237. The next prime is 1010503259. The reversal of 1010503243 is 3423050101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3423050101 = 31 ⋅110420971.

It is a cyclic number.

It is not a de Polignac number, because 1010503243 - 2¹³ = 1010495051 is a prime.

It is a super-2 number, since 2×1010503243² = 2042233608227034098, which contains 22 as substring.

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 1010503243.

It is not an unprimeable number, because it can be changed into a prime (1010503213) 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, 10749988 + ... + 10750081.

It is an arithmetic number, because the mean of its divisors is an integer number (258000840).

Almost surely, 2^1010503243 is an apocalyptic number.

1010503243 is a deficient number, since it is larger than the sum of its proper divisors (21500117).

1010503243 is an equidigital number, since it uses as much as digits as its factorization.

1010503243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21500116.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1010503243 is about 31788.4136596968. The cubic root of 1010503243 is about 1003.4888944594.

Adding to 1010503243 its reverse (3423050101), we get a palindrome (4433553344).

The spelling of 1010503243 in words is "one billion, ten million, five hundred three thousand, two hundred forty-three".