1012425503 has 4 divisors (see below), whose sum is σ = 1012573560. Its totient is φ = 1012277448.

The previous prime is 1012425481. The next prime is 1012425511. The reversal of 1012425503 is 3055242101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012425503 - 2⁶ = 1012425439 is a prime.

It is a super-3 number, since 3×1012425503³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012425553) 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, 63248 + ... + 77621.

It is an arithmetic number, because the mean of its divisors is an integer number (253143390).

Almost surely, 2^1012425503 is an apocalyptic number.

1012425503 is a deficient number, since it is larger than the sum of its proper divisors (148057).

1012425503 is an equidigital number, since it uses as much as digits as its factorization.

1012425503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148056.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1012425503 is about 31818.6345244418. The cubic root of 1012425503 is about 1004.1247969901.

Adding to 1012425503 its reverse (3055242101), we get a palindrome (4067667604).

The spelling of 1012425503 in words is "one billion, twelve million, four hundred twenty-five thousand, five hundred three".