1089752041 has 4 divisors (see below), whose sum is σ = 1245430912. Its totient is φ = 934073172.

The previous prime is 1089752023. The next prime is 1089752047. The reversal of 1089752041 is 1402579801.

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 1089752041 - 2¹⁷ = 1089620969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089752047) 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, 77839425 + ... + 77839438.

It is an arithmetic number, because the mean of its divisors is an integer number (311357728).

Almost surely, 2^1089752041 is an apocalyptic number.

It is an amenable number.

1089752041 is a deficient number, since it is larger than the sum of its proper divisors (155678871).

1089752041 is an equidigital number, since it uses as much as digits as its factorization.

1089752041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155678870.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1089752041 is about 33011.3925940727. The cubic root of 1089752041 is about 1029.0644223851.

The spelling of 1089752041 in words is "one billion, eighty-nine million, seven hundred fifty-two thousand, forty-one".