1081005195 has 32 divisors (see below), whose sum is σ = 1745952768. Its totient is φ = 571114368.

The previous prime is 1081005173. The next prime is 1081005239. The reversal of 1081005195 is 5915001801.

It is not a de Polignac number, because 1081005195 - 2⁷ = 1081005067 is a prime.

It is a super-3 number, since 3×1081005195³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 993942 + ... + 995028.

It is an arithmetic number, because the mean of its divisors is an integer number (54561024).

Almost surely, 2^1081005195 is an apocalyptic number.

1081005195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1081005195 is a deficient number, since it is larger than the sum of its proper divisors (664947573).

1081005195 is a wasteful number, since it uses less digits than its factorization.

1081005195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659.

The product of its (nonzero) digits is 1800, while the sum is 30.

The square root of 1081005195 is about 32878.6434482933. The cubic root of 1081005195 is about 1026.3037765762.

Adding to 1081005195 its reverse (5915001801), we get a palindrome (6996006996).

The spelling of 1081005195 in words is "one billion, eighty-one million, five thousand, one hundred ninety-five".