405012103 has 8 divisors (see below), whose sum is σ = 412658928. Its totient is φ = 397422144.

The previous prime is 405012059. The next prime is 405012109. The reversal of 405012103 is 301210504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 405012103 - 2¹⁷ = 404881031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405012109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300 + ... + 28462.

It is an arithmetic number, because the mean of its divisors is an integer number (51582366).

Almost surely, 2^405012103 is an apocalyptic number.

405012103 is a deficient number, since it is larger than the sum of its proper divisors (7646825).

405012103 is a wasteful number, since it uses less digits than its factorization.

405012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28433.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 405012103 is about 20124.9124967042. The cubic root of 405012103 is about 739.8709922417.

Adding to 405012103 its reverse (301210504), we get a palindrome (706222607).

The spelling of 405012103 in words is "four hundred five million, twelve thousand, one hundred three".