1405423124 has 12 divisors (see below), whose sum is σ = 2810846304. Its totient is φ = 602324184.

The previous prime is 1405423111. The next prime is 1405423153. The reversal of 1405423124 is 4213245041.

1405423124 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1405423093 and 1405423102.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25096814 + ... + 25096869.

It is an arithmetic number, because the mean of its divisors is an integer number (234237192).

Almost surely, 2^1405423124 is an apocalyptic number.

1405423124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1405423124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1405423124 is a wasteful number, since it uses less digits than its factorization.

1405423124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50193694 (or 50193692 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1405423124 is about 37488.9733655111. The cubic root of 1405423124 is about 1120.1315544876.

Adding to 1405423124 its reverse (4213245041), we get a palindrome (5618668165).

The spelling of 1405423124 in words is "one billion, four hundred five million, four hundred twenty-three thousand, one hundred twenty-four".