1141222145 has 16 divisors (see below), whose sum is σ = 1566559488. Its totient is φ = 781824960.

The previous prime is 1141222139. The next prime is 1141222151. The reversal of 1141222145 is 5412221411.

It is an interprime number because it is at equal distance from previous prime (1141222139) and next prime (1141222151).

It is not a de Polignac number, because 1141222145 - 2⁶ = 1141222081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141222145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24500 + ... + 53690.

It is an arithmetic number, because the mean of its divisors is an integer number (97909968).

Almost surely, 2^1141222145 is an apocalyptic number.

It is an amenable number.

1141222145 is a deficient number, since it is larger than the sum of its proper divisors (425337343).

1141222145 is a wasteful number, since it uses less digits than its factorization.

1141222145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30320.

The product of its digits is 640, while the sum is 23.

The square root of 1141222145 is about 33781.9795897162. The cubic root of 1141222145 is about 1045.0170994508.

Adding to 1141222145 its reverse (5412221411), we get a palindrome (6553443556).

The spelling of 1141222145 in words is "one billion, one hundred forty-one million, two hundred twenty-two thousand, one hundred forty-five".