1074123405 has 24 divisors (see below), whose sum is σ = 1868705280. Its totient is φ = 570745440.

The previous prime is 1074123397. The next prime is 1074123443. The reversal of 1074123405 is 5043214701.

It is not a de Polignac number, because 1074123405 - 2³ = 1074123397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31845 + ... + 56234.

It is an arithmetic number, because the mean of its divisors is an integer number (77862720).

Almost surely, 2^1074123405 is an apocalyptic number.

1074123405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1074123405 is a deficient number, since it is larger than the sum of its proper divisors (794581875).

1074123405 is a wasteful number, since it uses less digits than its factorization.

1074123405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88361 (or 88358 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1074123405 is about 32773.8219467916. The cubic root of 1074123405 is about 1024.1212869668.

The spelling of 1074123405 in words is "one billion, seventy-four million, one hundred twenty-three thousand, four hundred five".