1872427 has 2 divisors, whose sum is σ = 1872428. Its totient is φ = 1872426.

The previous prime is 1872421. The next prime is 1872461. The reversal of 1872427 is 7242781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1872427 - 2³ = 1872419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1872421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936213 + 936214.

It is an arithmetic number, because the mean of its divisors is an integer number (936214).

2^1872427 is an apocalyptic number.

1872427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1872427 is an equidigital number, since it uses as much as digits as its factorization.

1872427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 31.

The square root of 1872427 is about 1368.3665444609. The cubic root of 1872427 is about 123.2541728856.

The spelling of 1872427 in words is "one million, eight hundred seventy-two thousand, four hundred twenty-seven".