1141442121 has 4 divisors (see below), whose sum is σ = 1521922832. Its totient is φ = 760961412.

The previous prime is 1141442111. The next prime is 1141442123. The reversal of 1141442121 is 1212441411.

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.

It is not a de Polignac number, because 1141442121 - 2¹⁷ = 1141311049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1141442123) 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, 190240351 + ... + 190240356.

It is an arithmetic number, because the mean of its divisors is an integer number (380480708).

Almost surely, 2^1141442121 is an apocalyptic number.

It is an amenable number.

1141442121 is a deficient number, since it is larger than the sum of its proper divisors (380480711).

1141442121 is an equidigital number, since it uses as much as digits as its factorization.

1141442121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380480710.

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

The square root of 1141442121 is about 33785.2352515119. The cubic root of 1141442121 is about 1045.0842391437.

Adding to 1141442121 its reverse (1212441411), we get a palindrome (2353883532).

It can be divided in two parts, 11414 and 42121, that added together give a palindrome (53535).

The spelling of 1141442121 in words is "one billion, one hundred forty-one million, four hundred forty-two thousand, one hundred twenty-one".