1081354427 has 4 divisors (see below), whose sum is σ = 1104362016. Its totient is φ = 1058346840.

The previous prime is 1081354409. The next prime is 1081354441. The reversal of 1081354427 is 7244531801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7244531801 = 13 ⋅557271677.

It is a cyclic number.

It is not a de Polignac number, because 1081354427 - 2²⁶ = 1014245563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081354487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11503724 + ... + 11503817.

It is an arithmetic number, because the mean of its divisors is an integer number (276090504).

Almost surely, 2^1081354427 is an apocalyptic number.

1081354427 is a deficient number, since it is larger than the sum of its proper divisors (23007589).

1081354427 is an equidigital number, since it uses as much as digits as its factorization.

1081354427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23007588.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1081354427 is about 32883.9539441351. The cubic root of 1081354427 is about 1026.4142846885.

The spelling of 1081354427 in words is "one billion, eighty-one million, three hundred fifty-four thousand, four hundred twenty-seven".