112878019 has 2 divisors, whose sum is σ = 112878020. Its totient is φ = 112878018.

The previous prime is 112877987. The next prime is 112878023. The reversal of 112878019 is 910878211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112878019 - 2⁵ = 112877987 is a prime.

It is a super-2 number, since 2×112878019² = 25482894346728722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112878119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56439009 + 56439010.

It is an arithmetic number, because the mean of its divisors is an integer number (56439010).

Almost surely, 2^112878019 is an apocalyptic number.

112878019 is a deficient number, since it is larger than the sum of its proper divisors (1).

112878019 is an equidigital number, since it uses as much as digits as its factorization.

112878019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 37.

The square root of 112878019 is about 10624.4067599090. The cubic root of 112878019 is about 483.2847890471.

It can be divided in two parts, 11287 and 8019, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 112878019 in words is "one hundred twelve million, eight hundred seventy-eight thousand, nineteen".