113127019 has 4 divisors (see below), whose sum is σ = 116184544. Its totient is φ = 110069496.

The previous prime is 113126987. The next prime is 113127037. The reversal of 113127019 is 910721311.

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 113127019 - 2⁵ = 113126987 is a prime.

It is a super-2 number, since 2×113127019² = 25595444855652722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113126984 and 113127002.

It is not an unprimeable number, because it can be changed into a prime (113122019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528707 + ... + 1528780.

It is an arithmetic number, because the mean of its divisors is an integer number (29046136).

Almost surely, 2^113127019 is an apocalyptic number.

113127019 is a deficient number, since it is larger than the sum of its proper divisors (3057525).

113127019 is an equidigital number, since it uses as much as digits as its factorization.

113127019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057524.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 113127019 is about 10636.1186059577. The cubic root of 113127019 is about 483.6398907652.

The spelling of 113127019 in words is "one hundred thirteen million, one hundred twenty-seven thousand, nineteen".