103405560 has 128 divisors (see below), whose sum is σ = 331490880. Its totient is φ = 25714688.

The previous prime is 103405541. The next prime is 103405579. The reversal of 103405560 is 65504301.

It is an interprime number because it is at equal distance from previous prime (103405541) and next prime (103405579).

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 103405560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352774 + ... + 353066.

Almost surely, 2^103405560 is an apocalyptic number.

103405560 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 103405560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165745440).

103405560 is an abundant number, since it is smaller than the sum of its proper divisors (228085320).

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

103405560 is a wasteful number, since it uses less digits than its factorization.

103405560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 103405560 is about 10168.8524426309. The cubic root of 103405560 is about 469.3692459355.

Adding to 103405560 its reverse (65504301), we get a palindrome (168909861).

The spelling of 103405560 in words is "one hundred three million, four hundred five thousand, five hundred sixty".