1081703438 has 8 divisors (see below), whose sum is σ = 1717999632. Its totient is φ = 509036896.

The previous prime is 1081703431. The next prime is 1081703503. The reversal of 1081703438 is 8343071801.

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 = 1081703398 and 1081703407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081703431) 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, 15907370 + ... + 15907437.

It is an arithmetic number, because the mean of its divisors is an integer number (214749954).

Almost surely, 2^1081703438 is an apocalyptic number.

1081703438 is a deficient number, since it is larger than the sum of its proper divisors (636296194).

1081703438 is a wasteful number, since it uses less digits than its factorization.

1081703438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31814826.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1081703438 is about 32889.2602227536. The cubic root of 1081703438 is about 1026.5246991015.

The spelling of 1081703438 in words is "one billion, eighty-one million, seven hundred three thousand, four hundred thirty-eight".