119487971 has 4 divisors (see below), whose sum is σ = 119554512. Its totient is φ = 119421432.

The previous prime is 119487937. The next prime is 119487983. The reversal of 119487971 is 179784911.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119487971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119387971) 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, 30500 + ... + 34193.

It is an arithmetic number, because the mean of its divisors is an integer number (29888628).

Almost surely, 2^119487971 is an apocalyptic number.

119487971 is a deficient number, since it is larger than the sum of its proper divisors (66541).

119487971 is an equidigital number, since it uses as much as digits as its factorization.

119487971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66540.

The product of its digits is 127008, while the sum is 47.

The square root of 119487971 is about 10931.0553470376. The cubic root of 119487971 is about 492.5398746349.

The spelling of 119487971 in words is "one hundred nineteen million, four hundred eighty-seven thousand, nine hundred seventy-one".