103240439 has 8 divisors (see below), whose sum is σ = 110698560. Its totient is φ = 95936256.

The previous prime is 103240429. The next prime is 103240477. The reversal of 103240439 is 934042301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103240439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103240429) 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, 37094 + ... + 39779.

It is an arithmetic number, because the mean of its divisors is an integer number (13837320).

Almost surely, 2^103240439 is an apocalyptic number.

103240439 is a deficient number, since it is larger than the sum of its proper divisors (7458121).

103240439 is an equidigital number, since it uses as much as digits as its factorization.

103240439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76969.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 103240439 is about 10160.7302395054. The cubic root of 103240439 is about 469.1192786908.

The spelling of 103240439 in words is "one hundred three million, two hundred forty thousand, four hundred thirty-nine".