1081208354 has 4 divisors (see below), whose sum is σ = 1621812534. Its totient is φ = 540604176.

The previous prime is 1081208341. The next prime is 1081208371. The reversal of 1081208354 is 4538021801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1064521129 + 16687225 = 32627^2 + 4085^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1081208354.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 270302087 + ... + 270302090.

Almost surely, 2^1081208354 is an apocalyptic number.

1081208354 is a deficient number, since it is larger than the sum of its proper divisors (540604180).

1081208354 is an equidigital number, since it uses as much as digits as its factorization.

1081208354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540604179.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1081208354 is about 32881.7328314674. The cubic root of 1081208354 is about 1026.3680654405.

The spelling of 1081208354 in words is "one billion, eighty-one million, two hundred eight thousand, three hundred fifty-four".