1141120401 has 4 divisors (see below), whose sum is σ = 1521493872. Its totient is φ = 760746932.

The previous prime is 1141120399. The next prime is 1141120403. The reversal of 1141120401 is 1040211411.

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 an interprime number because it is at equal distance from previous prime (1141120399) and next prime (1141120403).

It is a cyclic number.

It is not a de Polignac number, because 1141120401 - 2¹ = 1141120399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1141120403) 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, 190186731 + ... + 190186736.

It is an arithmetic number, because the mean of its divisors is an integer number (380373468).

Almost surely, 2^1141120401 is an apocalyptic number.

It is an amenable number.

1141120401 is a deficient number, since it is larger than the sum of its proper divisors (380373471).

1141120401 is an equidigital number, since it uses as much as digits as its factorization.

1141120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380373470.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1141120401 is about 33780.4736645299. The cubic root of 1141120401 is about 1044.9860428682.

Adding to 1141120401 its reverse (1040211411), we get a palindrome (2181331812).

The spelling of 1141120401 in words is "one billion, one hundred forty-one million, one hundred twenty thousand, four hundred one".