1090920201 has 16 divisors (see below), whose sum is σ = 1663119744. Its totient is φ = 623096064.

The previous prime is 1090920167. The next prime is 1090920217. The reversal of 1090920201 is 1020290901.

It is not a de Polignac number, because 1090920201 - 2¹⁸ = 1090658057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1090920241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40011 + ... + 61503.

It is an arithmetic number, because the mean of its divisors is an integer number (103944984).

Almost surely, 2^1090920201 is an apocalyptic number.

It is an amenable number.

1090920201 is a deficient number, since it is larger than the sum of its proper divisors (572199543).

1090920201 is a wasteful number, since it uses less digits than its factorization.

1090920201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23920.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1090920201 is about 33029.0811407160. The cubic root of 1090920201 is about 1029.4319930407.

The spelling of 1090920201 in words is "one billion, ninety million, nine hundred twenty thousand, two hundred one".