103420125240 has 128 divisors (see below), whose sum is σ = 319291200000. Its totient is φ = 26778981888.

The previous prime is 103420125217. The next prime is 103420125247. The reversal of 103420125240 is 42521024301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 103420125240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420125247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2192221 + ... + 2238899.

It is an arithmetic number, because the mean of its divisors is an integer number (2494462500).

Almost surely, 2^103420125240 is an apocalyptic number.

103420125240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103420125240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159645600000).

103420125240 is an abundant number, since it is smaller than the sum of its proper divisors (215871074760).

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

103420125240 is a wasteful number, since it uses less digits than its factorization.

103420125240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47229 (or 47225 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 103420125240 its reverse (42521024301), we get a palindrome (145941149541).

The spelling of 103420125240 in words is "one hundred three billion, four hundred twenty million, one hundred twenty-five thousand, two hundred forty".