1012234503 has 32 divisors (see below), whose sum is σ = 1600704000. Its totient is φ = 568581888.

The previous prime is 1012234453. The next prime is 1012234507. The reversal of 1012234503 is 3054322101.

It is not a de Polignac number, because 1012234503 - 2²⁰ = 1011185927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1012234503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012234507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52375 + ... + 69047.

It is an arithmetic number, because the mean of its divisors is an integer number (50022000).

Almost surely, 2^1012234503 is an apocalyptic number.

1012234503 is a deficient number, since it is larger than the sum of its proper divisors (588469497).

1012234503 is an equidigital number, since it uses as much as digits as its factorization.

1012234503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16756 (or 16742 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1012234503 is about 31815.6329970032. The cubic root of 1012234503 is about 1004.0616483444.

Adding to 1012234503 its reverse (3054322101), we get a palindrome (4066556604).

The spelling of 1012234503 in words is "one billion, twelve million, two hundred thirty-four thousand, five hundred three".