119997539 has 4 divisors (see below), whose sum is σ = 120108024. Its totient is φ = 119887056.

The previous prime is 119997517. The next prime is 119997569. The reversal of 119997539 is 935799911.

It is a happy number.

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-119997539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119997569) 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, 53597 + ... + 55790.

It is an arithmetic number, because the mean of its divisors is an integer number (30027006).

Almost surely, 2^119997539 is an apocalyptic number.

119997539 is a deficient number, since it is larger than the sum of its proper divisors (110485).

119997539 is a wasteful number, since it uses less digits than its factorization.

119997539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110484.

The product of its digits is 688905, while the sum is 53.

The square root of 119997539 is about 10954.3388207596. The cubic root of 119997539 is about 493.2390429831.

The spelling of 119997539 in words is "one hundred nineteen million, nine hundred ninety-seven thousand, five hundred thirty-nine".