1874021 has 2 divisors, whose sum is σ = 1874022. Its totient is φ = 1874020.

The previous prime is 1874003. The next prime is 1874039. The reversal of 1874021 is 1204781.

It is a balanced prime because it is at equal distance from previous prime (1874003) and next prime (1874039).

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 261121 = 1270^2 + 511^2 .

It is an emirp because it is prime and its reverse (1204781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1874021 - 2¹⁸ = 1611877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1874051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937010 + 937011.

It is an arithmetic number, because the mean of its divisors is an integer number (937011).

2^1874021 is an apocalyptic number.

It is an amenable number.

1874021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1874021 is an equidigital number, since it uses as much as digits as its factorization.

1874021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1874021 is about 1368.9488668318. The cubic root of 1874021 is about 123.2891384547.

The spelling of 1874021 in words is "one million, eight hundred seventy-four thousand, twenty-one".