1090431195 has 32 divisors (see below), whose sum is σ = 2040310272. Its totient is φ = 486888192.

The previous prime is 1090431193. The next prime is 1090431217. The reversal of 1090431195 is 5911340901.

It is not a de Polignac number, because 1090431195 - 2¹ = 1090431193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1090431193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116242 + ... + 125271.

It is an arithmetic number, because the mean of its divisors is an integer number (63759696).

Almost surely, 2^1090431195 is an apocalyptic number.

1090431195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1090431195 is a deficient number, since it is larger than the sum of its proper divisors (949879077).

1090431195 is a wasteful number, since it uses less digits than its factorization.

1090431195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241571.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 1090431195 is about 33021.6776527178. The cubic root of 1090431195 is about 1029.2781554347.

The spelling of 1090431195 in words is "one billion, ninety million, four hundred thirty-one thousand, one hundred ninety-five".