119109947 has 4 divisors (see below), whose sum is σ = 129938136. Its totient is φ = 108281760.

The previous prime is 119109941. The next prime is 119109971. The reversal of 119109947 is 749901911.

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 119109947 - 2⁶ = 119109883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119109941) 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, 5414078 + ... + 5414099.

It is an arithmetic number, because the mean of its divisors is an integer number (32484534).

Almost surely, 2^119109947 is an apocalyptic number.

119109947 is a deficient number, since it is larger than the sum of its proper divisors (10828189).

119109947 is a wasteful number, since it uses less digits than its factorization.

119109947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10828188.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 119109947 is about 10913.7503636468. The cubic root of 119109947 is about 492.0199099066.

The spelling of 119109947 in words is "one hundred nineteen million, one hundred nine thousand, nine hundred forty-seven".