103979505 has 16 divisors (see below), whose sum is σ = 190134144. Its totient is φ = 47533440.

The previous prime is 103979503. The next prime is 103979507. The reversal of 103979505 is 505979301.

It is an interprime number because it is at equal distance from previous prime (103979503) and next prime (103979507).

It is not a de Polignac number, because 103979505 - 2¹ = 103979503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103979503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495036 + ... + 495245.

It is an arithmetic number, because the mean of its divisors is an integer number (11883384).

Almost surely, 2^103979505 is an apocalyptic number.

103979505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103979505 is a deficient number, since it is larger than the sum of its proper divisors (86154639).

103979505 is an equidigital number, since it uses as much as digits as its factorization.

103979505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990296.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 103979505 is about 10197.0341276275. The cubic root of 103979505 is about 470.2360441016.

The spelling of 103979505 in words is "one hundred three million, nine hundred seventy-nine thousand, five hundred five".