119181427 has 4 divisors (see below), whose sum is σ = 119430720. Its totient is φ = 118932136.

The previous prime is 119181401. The next prime is 119181457. The reversal of 119181427 is 724181911.

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-119181427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 119181392 and 119181401.

It is not an unprimeable number, because it can be changed into a prime (119181457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123928 + ... + 124885.

It is an arithmetic number, because the mean of its divisors is an integer number (29857680).

Almost surely, 2^119181427 is an apocalyptic number.

119181427 is a deficient number, since it is larger than the sum of its proper divisors (249293).

119181427 is an equidigital number, since it uses as much as digits as its factorization.

119181427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249292.

The product of its digits is 4032, while the sum is 34.

The square root of 119181427 is about 10917.0246404412. The cubic root of 119181427 is about 492.1183135275.

The spelling of 119181427 in words is "one hundred nineteen million, one hundred eighty-one thousand, four hundred twenty-seven".