1878059 has 2 divisors, whose sum is σ = 1878060. Its totient is φ = 1878058.

The previous prime is 1878053. The next prime is 1878061. The reversal of 1878059 is 9508781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1878059 - 2⁴ = 1878043 is a prime.

It is a Sophie Germain prime.

Together with 1878061, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1878053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 939029 + 939030.

It is an arithmetic number, because the mean of its divisors is an integer number (939030).

2^1878059 is an apocalyptic number.

1878059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1878059 is an equidigital number, since it uses as much as digits as its factorization.

1878059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1878059 is about 1370.4229274206. The cubic root of 1878059 is about 123.3776263279.

The spelling of 1878059 in words is "one million, eight hundred seventy-eight thousand, fifty-nine".