1122144141 has 4 divisors (see below), whose sum is σ = 1496192192. Its totient is φ = 748096092.

The previous prime is 1122144139. The next prime is 1122144193. The reversal of 1122144141 is 1414412211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1414412211 = 3 ⋅471470737.

It is not a de Polignac number, because 1122144141 - 2¹ = 1122144139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122144131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187024021 + ... + 187024026.

It is an arithmetic number, because the mean of its divisors is an integer number (374048048).

Almost surely, 2^1122144141 is an apocalyptic number.

It is an amenable number.

1122144141 is a deficient number, since it is larger than the sum of its proper divisors (374048051).

1122144141 is an equidigital number, since it uses as much as digits as its factorization.

1122144141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374048050.

The product of its digits is 256, while the sum is 21.

The square root of 1122144141 is about 33498.4199776646. The cubic root of 1122144141 is about 1039.1611026548.

Adding to 1122144141 its reverse (1414412211), we get a palindrome (2536556352).

The spelling of 1122144141 in words is "one billion, one hundred twenty-two million, one hundred forty-four thousand, one hundred forty-one".