1872043 has 2 divisors, whose sum is σ = 1872044. Its totient is φ = 1872042.

The previous prime is 1872007. The next prime is 1872049. The reversal of 1872043 is 3402781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1872043 - 2⁹ = 1871531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1871999 and 1872017.

It is not a weakly prime, because it can be changed into another prime (1872049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936021 + 936022.

It is an arithmetic number, because the mean of its divisors is an integer number (936022).

2^1872043 is an apocalyptic number.

1872043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1872043 is an equidigital number, since it uses as much as digits as its factorization.

1872043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1872043 is about 1368.2262239849. The cubic root of 1872043 is about 123.2457465956.

The spelling of 1872043 in words is "one million, eight hundred seventy-two thousand, forty-three".