1081408141 has 4 divisors (see below), whose sum is σ = 1179717984. Its totient is φ = 983098300.

The previous prime is 1081408091. The next prime is 1081408189. The reversal of 1081408141 is 1418041801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1081408141 - 2²¹ = 1079310989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081408441) 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, 49154905 + ... + 49154926.

It is an arithmetic number, because the mean of its divisors is an integer number (294929496).

Almost surely, 2^1081408141 is an apocalyptic number.

1081408141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1081408141 is a deficient number, since it is larger than the sum of its proper divisors (98309843).

1081408141 is an equidigital number, since it uses as much as digits as its factorization.

1081408141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98309842.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 1081408141 is about 32884.7706545142. The cubic root of 1081408141 is about 1026.4312793952.

Adding to 1081408141 its reverse (1418041801), we get a palindrome (2499449942).

It can be divided in two parts, 108140 and 8141, that added together give a square (116281 = 341²).

The spelling of 1081408141 in words is "one billion, eighty-one million, four hundred eight thousand, one hundred forty-one".