103400205 has 16 divisors (see below), whose sum is σ = 175172544. Its totient is φ = 51902720.

The previous prime is 103400161. The next prime is 103400233. The reversal of 103400205 is 502004301.

It is not a de Polignac number, because 103400205 - 2¹⁴ = 103383821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202491 + ... + 203000.

It is an arithmetic number, because the mean of its divisors is an integer number (10948284).

Almost surely, 2^103400205 is an apocalyptic number.

103400205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103400205 is a deficient number, since it is larger than the sum of its proper divisors (71772339).

103400205 is a wasteful number, since it uses less digits than its factorization.

103400205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405516.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 103400205 is about 10168.5891351750. The cubic root of 103400205 is about 469.3611434837.

Adding to 103400205 its reverse (502004301), we get a palindrome (605404506).

The spelling of 103400205 in words is "one hundred three million, four hundred thousand, two hundred five".