119779547 has 4 divisors (see below), whose sum is σ = 122328096. Its totient is φ = 117231000.

The previous prime is 119779537. The next prime is 119779571. The reversal of 119779547 is 745977911.

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 119779547 - 2⁴ = 119779531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 119779495 and 119779504.

It is not an unprimeable number, because it can be changed into a prime (119779507) 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, 1274204 + ... + 1274297.

It is an arithmetic number, because the mean of its divisors is an integer number (30582024).

Almost surely, 2^119779547 is an apocalyptic number.

119779547 is a deficient number, since it is larger than the sum of its proper divisors (2548549).

119779547 is an equidigital number, since it uses as much as digits as its factorization.

119779547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548548.

The product of its digits is 555660, while the sum is 50.

The square root of 119779547 is about 10944.3842677421. The cubic root of 119779547 is about 492.9401831294.

The spelling of 119779547 in words is "one hundred nineteen million, seven hundred seventy-nine thousand, five hundred forty-seven".