1405073125 has 10 divisors (see below), whose sum is σ = 1755780158. Its totient is φ = 1124058000.

The previous prime is 1405073107. The next prime is 1405073167. The reversal of 1405073125 is 5213705041.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 255456289 + 1149616836 = 15983^2 + 33906^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1405073125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1405073093 and 1405073102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1123434 + ... + 1124683.

Almost surely, 2^1405073125 is an apocalyptic number.

It is an amenable number.

1405073125 is a deficient number, since it is larger than the sum of its proper divisors (350707033).

1405073125 is an frugal number, since it uses more digits than its factorization.

1405073125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248137 (or 2248122 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1405073125 is about 37484.3050489135. The cubic root of 1405073125 is about 1120.0385629260.

Adding to 1405073125 its reverse (5213705041), we get a palindrome (6618778166).

The spelling of 1405073125 in words is "one billion, four hundred five million, seventy-three thousand, one hundred twenty-five".