103240425 has 12 divisors (see below), whose sum is σ = 170690960. Its totient is φ = 55061520.

The previous prime is 103240391. The next prime is 103240427. The reversal of 103240425 is 524042301.

It is not a de Polignac number, because 103240425 - 2¹⁶ = 103174889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103240427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 688195 + ... + 688344.

Almost surely, 2^103240425 is an apocalyptic number.

103240425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103240425 is a deficient number, since it is larger than the sum of its proper divisors (67450535).

103240425 is a wasteful number, since it uses less digits than its factorization.

103240425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376552 (or 1376547 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 103240425 is about 10160.7295505785. The cubic root of 103240425 is about 469.1192574857.

Adding to 103240425 its reverse (524042301), we get a palindrome (627282726).

The spelling of 103240425 in words is "one hundred three million, two hundred forty thousand, four hundred twenty-five".