1012343503 has 16 divisors (see below), whose sum is σ = 1084659840. Its totient is φ = 942084000.

The previous prime is 1012343473. The next prime is 1012343561. The reversal of 1012343503 is 3053432101.

It is a cyclic number.

It is not a de Polignac number, because 1012343503 - 2¹⁷ = 1012212431 is a prime.

It is a super-2 number, since 2×1012343503² = 2049678736132622018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012343573) 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 15 ways as a sum of consecutive naturals, for example, 249376 + ... + 253402.

It is an arithmetic number, because the mean of its divisors is an integer number (67791240).

Almost surely, 2^1012343503 is an apocalyptic number.

1012343503 is a deficient number, since it is larger than the sum of its proper divisors (72316337).

1012343503 is a wasteful number, since it uses less digits than its factorization.

1012343503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1012343503 is about 31817.3459452545. The cubic root of 1012343503 is about 1004.0976870262.

Adding to 1012343503 its reverse (3053432101), we get a palindrome (4065775604).

The spelling of 1012343503 in words is "one billion, twelve million, three hundred forty-three thousand, five hundred three".