103024012520 has 96 divisors (see below), whose sum is σ = 274392475560. Its totient is φ = 34581465600.

The previous prime is 103024012499. The next prime is 103024012523. The reversal of 103024012520 is 25210420301.

It can be written as a sum of positive squares in 4 ways, for example, as 39003880036 + 64020132484 = 197494^2 + 253022^2 .

It is a super-2 number, since 2×103024012520² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103024012492 and 103024012501.

It is not an unprimeable number, because it can be changed into a prime (103024012523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755771 + ... + 881610.

Almost surely, 2^103024012520 is an apocalyptic number.

103024012520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103024012520 is an abundant number, since it is smaller than the sum of its proper divisors (171368463040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103024012520 is a wasteful number, since it uses less digits than its factorization.

103024012520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637427 (or 1637412 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 103024012520 its reverse (25210420301), we get a palindrome (128234432821).

The spelling of 103024012520 in words is "one hundred three billion, twenty-four million, twelve thousand, five hundred twenty".