1141042121 has 4 divisors (see below), whose sum is σ = 1190652672. Its totient is φ = 1091431572.

The previous prime is 1141042103. The next prime is 1141042129. The reversal of 1141042121 is 1212401411.

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: 1212401411 = 13 ⋅93261647.

It is a cyclic number.

It is not a de Polignac number, because 1141042121 - 2¹⁸ = 1140779977 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 1141042121.

It is not an unprimeable number, because it can be changed into a prime (1141042129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24805241 + ... + 24805286.

It is an arithmetic number, because the mean of its divisors is an integer number (297663168).

Almost surely, 2^1141042121 is an apocalyptic number.

It is an amenable number.

1141042121 is a deficient number, since it is larger than the sum of its proper divisors (49610551).

1141042121 is an equidigital number, since it uses as much as digits as its factorization.

1141042121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49610550.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1141042121 is about 33779.3149871338. The cubic root of 1141042121 is about 1044.9621472366.

Adding to 1141042121 its reverse (1212401411), we get a palindrome (2353443532).

The spelling of 1141042121 in words is "one billion, one hundred forty-one million, forty-two thousand, one hundred twenty-one".