1081325438 has 8 divisors (see below), whose sum is σ = 1622538000. Its totient is φ = 540479440.

The previous prime is 1081325437. The next prime is 1081325461. The reversal of 1081325438 is 8345231801.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1081325398 and 1081325407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081325437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84143 + ... + 96138.

It is an arithmetic number, because the mean of its divisors is an integer number (202817250).

Almost surely, 2^1081325438 is an apocalyptic number.

1081325438 is a deficient number, since it is larger than the sum of its proper divisors (541212562).

1081325438 is a wasteful number, since it uses less digits than its factorization.

1081325438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183282.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1081325438 is about 32883.5131638942. The cubic root of 1081325438 is about 1026.4051125525.

The spelling of 1081325438 in words is "one billion, eighty-one million, three hundred twenty-five thousand, four hundred thirty-eight".