1141222005 has 72 divisors (see below), whose sum is σ = 2510318304. Its totient is φ = 474264000.

The previous prime is 1141221997. The next prime is 1141222013. The reversal of 1141222005 is 5002221411.

It is an interprime number because it is at equal distance from previous prime (1141221997) and next prime (1141222013).

It is not a de Polignac number, because 1141222005 - 2³ = 1141221997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 730 + ... + 47780.

It is an arithmetic number, because the mean of its divisors is an integer number (34865532).

Almost surely, 2^1141222005 is an apocalyptic number.

1141222005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141222005 is an abundant number, since it is smaller than the sum of its proper divisors (1369096299).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141222005 is a wasteful number, since it uses less digits than its factorization.

1141222005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47087 (or 47077 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1141222005 is about 33781.9775176054. The cubic root of 1141222005 is about 1045.0170567182.

Adding to 1141222005 its reverse (5002221411), we get a palindrome (6143443416).

The spelling of 1141222005 in words is "one billion, one hundred forty-one million, two hundred twenty-two thousand, five".