1119442621 has 4 divisors (see below), whose sum is σ = 1221210144. Its totient is φ = 1017675100.

The previous prime is 1119442619. The next prime is 1119442661. The reversal of 1119442621 is 1262449111.

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 a cyclic number.

It is not a de Polignac number, because 1119442621 - 2¹ = 1119442619 is a prime.

It is a super-2 number, since 2×1119442621² = 2506303563422699282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119442661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50883745 + ... + 50883766.

It is an arithmetic number, because the mean of its divisors is an integer number (305302536).

Almost surely, 2^1119442621 is an apocalyptic number.

1119442621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1119442621 is a deficient number, since it is larger than the sum of its proper divisors (101767523).

1119442621 is a wasteful number, since it uses less digits than its factorization.

1119442621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101767522.

The product of its digits is 3456, while the sum is 31.

The square root of 1119442621 is about 33458.0725834588. The cubic root of 1119442621 is about 1038.3265187387.

The spelling of 1119442621 in words is "one billion, one hundred nineteen million, four hundred forty-two thousand, six hundred twenty-one".