119681749 has 4 divisors (see below), whose sum is σ = 130561920. Its totient is φ = 108801580.

The previous prime is 119681743. The next prime is 119681759. The reversal of 119681749 is 947186911.

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 119681749 - 2⁷ = 119681621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 119681699 and 119681708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119681743) 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, 5440069 + ... + 5440090.

It is an arithmetic number, because the mean of its divisors is an integer number (32640480).

Almost surely, 2^119681749 is an apocalyptic number.

It is an amenable number.

119681749 is a deficient number, since it is larger than the sum of its proper divisors (10880171).

119681749 is a wasteful number, since it uses less digits than its factorization.

119681749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880170.

The product of its digits is 108864, while the sum is 46.

The square root of 119681749 is about 10939.9154018667. The cubic root of 119681749 is about 492.8059874572.

The spelling of 119681749 in words is "one hundred nineteen million, six hundred eighty-one thousand, seven hundred forty-nine".