1089651041 has 4 divisors (see below), whose sum is σ = 1090824900. Its totient is φ = 1088477184.

The previous prime is 1089651037. The next prime is 1089651047. The reversal of 1089651041 is 1401569801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 102434641 + 987216400 = 10121^2 + 31420^2 .

It is a cyclic number.

It is not a de Polignac number, because 1089651041 - 2² = 1089651037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1089650992 and 1089651010.

It is not an unprimeable number, because it can be changed into a prime (1089651047) 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, 585536 + ... + 587393.

It is an arithmetic number, because the mean of its divisors is an integer number (272706225).

Almost surely, 2^1089651041 is an apocalyptic number.

It is an amenable number.

1089651041 is a deficient number, since it is larger than the sum of its proper divisors (1173859).

1089651041 is an equidigital number, since it uses as much as digits as its factorization.

1089651041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173858.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1089651041 is about 33009.8627837197. The cubic root of 1089651041 is about 1029.0326296121.

The spelling of 1089651041 in words is "one billion, eighty-nine million, six hundred fifty-one thousand, forty-one".