1405124425 has 12 divisors (see below), whose sum is σ = 1742834880. Its totient is φ = 1123789520.

The previous prime is 1405124417. The next prime is 1405124437. The reversal of 1405124425 is 5244215041.

1405124425 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1405124425 - 2³ = 1405124417 is a prime.

It is a super-3 number, since 3×1405124425³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1405124393 and 1405124402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139716 + ... + 149434.

It is an arithmetic number, because the mean of its divisors is an integer number (145236240).

Almost surely, 2^1405124425 is an apocalyptic number.

It is an amenable number.

1405124425 is a deficient number, since it is larger than the sum of its proper divisors (337710455).

1405124425 is an equidigital number, since it uses as much as digits as its factorization.

1405124425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15512 (or 15507 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1405124425 is about 37484.9893290634. The cubic root of 1405124425 is about 1120.0521938368.

Adding to 1405124425 its reverse (5244215041), we get a palindrome (6649339466).

The spelling of 1405124425 in words is "one billion, four hundred five million, one hundred twenty-four thousand, four hundred twenty-five".