1012137503 has 8 divisors (see below), whose sum is σ = 1100182608. Its totient is φ = 925547904.

The previous prime is 1012137491. The next prime is 1012137509. The reversal of 1012137503 is 3057312101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012137503 - 2²⁰ = 1011088927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012137509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362426 + ... + 365207.

It is an arithmetic number, because the mean of its divisors is an integer number (137522826).

Almost surely, 2^1012137503 is an apocalyptic number.

1012137503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1012137503 is a deficient number, since it is larger than the sum of its proper divisors (88045105).

1012137503 is a wasteful number, since it uses less digits than its factorization.

1012137503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727753.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1012137503 is about 31814.1085526532. The cubic root of 1012137503 is about 1004.0295750482.

Adding to 1012137503 its reverse (3057312101), we get a palindrome (4069449604).

The spelling of 1012137503 in words is "one billion, twelve million, one hundred thirty-seven thousand, five hundred three".