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115019 is a prime number
BaseRepresentation
bin11100000101001011
312211202222
4130011023
512140034
62244255
7656222
oct340513
9184688
10115019
1179463
125668b
1340478
142dcb9
152412e
hex1c14b

115019 has 2 divisors, whose sum is σ = 115020. Its totient is φ = 115018.

The previous prime is 115013. The next prime is 115021. The reversal of 115019 is 910511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115019 - 212 = 110923 is a prime.

It is a super-2 number, since 2×1150192 = 26458740722, which contains 22 as substring.

Together with 115021, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 114988 and 115006.

It is not a weakly prime, because it can be changed into another prime (115013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57509 + 57510.

It is an arithmetic number, because the mean of its divisors is an integer number (57510).

2115019 is an apocalyptic number.

115019 is a deficient number, since it is larger than the sum of its proper divisors (1).

115019 is an equidigital number, since it uses as much as digits as its factorization.

115019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 115019 is about 339.1445119709. The cubic root of 115019 is about 48.6321193066.

The spelling of 115019 in words is "one hundred fifteen thousand, nineteen".