103405456 has 40 divisors (see below), whose sum is σ = 249787584. Its totient is φ = 40287360.

The previous prime is 103405453. The next prime is 103405459. The reversal of 103405456 is 654504301.

It is an interprime number because it is at equal distance from previous prime (103405453) and next prime (103405459).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (103405453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40735 + ... + 43198.

Almost surely, 2^103405456 is an apocalyptic number.

103405456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

103405456 is an abundant number, since it is smaller than the sum of its proper divisors (146382128).

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

103405456 is a wasteful number, since it uses less digits than its factorization.

103405456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83959 (or 83953 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 103405456 is about 10168.8473289749. The cubic root of 103405456 is about 469.3690885796.

Adding to 103405456 its reverse (654504301), we get a palindrome (757909757).

The spelling of 103405456 in words is "one hundred three million, four hundred five thousand, four hundred fifty-six".