103705420 has 96 divisors (see below), whose sum is σ = 282240000. Its totient is φ = 31083264.

The previous prime is 103705387. The next prime is 103705451. The reversal of 103705420 is 24507301.

It is a junction number, because it is equal to n+sod(n) for n = 103705391 and 103705400.

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, 33081 + ... + 36079.

It is an arithmetic number, because the mean of its divisors is an integer number (2940000).

Almost surely, 2^103705420 is an apocalyptic number.

103705420 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 103705420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141120000).

103705420 is an abundant number, since it is smaller than the sum of its proper divisors (178534580).

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

103705420 is a wasteful number, since it uses less digits than its factorization.

103705420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 103705420 is about 10183.5858124729. The cubic root of 103705420 is about 469.8225072966.

The spelling of 103705420 in words is "one hundred three million, seven hundred five thousand, four hundred twenty".