1089826101 has 36 divisors (see below), whose sum is σ = 1972076652. Its totient is φ = 574850304.

The previous prime is 1089826091. The next prime is 1089826103. The reversal of 1089826101 is 1016289801.

It can be written as a sum of positive squares in 2 ways, for example, as 752185476 + 337640625 = 27426^2 + 18375^2 .

It is not a de Polignac number, because 1089826101 - 2⁹ = 1089825589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089826103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 89316 + ... + 100781.

It is an arithmetic number, because the mean of its divisors is an integer number (54779907).

Almost surely, 2^1089826101 is an apocalyptic number.

It is an amenable number.

1089826101 is a deficient number, since it is larger than the sum of its proper divisors (882250551).

1089826101 is a wasteful number, since it uses less digits than its factorization.

1089826101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190130 (or 190120 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 1089826101 is about 33012.5143089708. The cubic root of 1089826101 is about 1029.0877337384.

The spelling of 1089826101 in words is "one billion, eighty-nine million, eight hundred twenty-six thousand, one hundred one".