103401405 has 48 divisors (see below), whose sum is σ = 184154880. Its totient is φ = 53654400.

The previous prime is 103401383. The next prime is 103401407. The reversal of 103401405 is 504104301.

It is a happy number.

It is not a de Polignac number, because 103401405 - 2⁶ = 103401341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103401407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 381420 + ... + 381690.

It is an arithmetic number, because the mean of its divisors is an integer number (3836560).

Almost surely, 2^103401405 is an apocalyptic number.

103401405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103401405 is a deficient number, since it is larger than the sum of its proper divisors (80753475).

103401405 is a wasteful number, since it uses less digits than its factorization.

103401405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 103401405 is about 10168.6481402397. The cubic root of 103401405 is about 469.3629591835.

Adding to 103401405 its reverse (504104301), we get a palindrome (607505706).

The spelling of 103401405 in words is "one hundred three million, four hundred one thousand, four hundred five".