1119450681 has 12 divisors (see below), whose sum is σ = 1639759680. Its totient is φ = 735788760.

The previous prime is 1119450679. The next prime is 1119450707. The reversal of 1119450681 is 1860549111.

It is a happy number.

It is not a de Polignac number, because 1119450681 - 2¹ = 1119450679 is a prime.

It is a super-2 number, since 2×1119450681² = 2506339654382727522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1119450611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 875301 + ... + 876578.

It is an arithmetic number, because the mean of its divisors is an integer number (136646640).

Almost surely, 2^1119450681 is an apocalyptic number.

It is an amenable number.

1119450681 is a deficient number, since it is larger than the sum of its proper divisors (520308999).

1119450681 is a wasteful number, since it uses less digits than its factorization.

1119450681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751956 (or 1751953 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The square root of 1119450681 is about 33458.1930324995. The cubic root of 1119450681 is about 1038.3290107204.

Adding to 1119450681 its reverse (1860549111), we get a palindrome (2979999792).

The spelling of 1119450681 in words is "one billion, one hundred nineteen million, four hundred fifty thousand, six hundred eighty-one".