119531491 has 4 divisors (see below), whose sum is σ = 119674800. Its totient is φ = 119388184.

The previous prime is 119531473. The next prime is 119531501. The reversal of 119531491 is 194135911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 119531491 - 2⁵ = 119531459 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (119535491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70396 + ... + 72073.

It is an arithmetic number, because the mean of its divisors is an integer number (29918700).

Almost surely, 2^119531491 is an apocalyptic number.

119531491 is a deficient number, since it is larger than the sum of its proper divisors (143309).

119531491 is an equidigital number, since it uses as much as digits as its factorization.

119531491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143308.

The product of its digits is 4860, while the sum is 34.

The square root of 119531491 is about 10933.0458244718. The cubic root of 119531491 is about 492.5996651262.

The spelling of 119531491 in words is "one hundred nineteen million, five hundred thirty-one thousand, four hundred ninety-one".