1427887243 has 2 divisors, whose sum is σ = 1427887244. Its totient is φ = 1427887242.

The previous prime is 1427887217. The next prime is 1427887277. The reversal of 1427887243 is 3427887241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1427887243 - 2¹⁷ = 1427756171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1427887193 and 1427887202.

It is not a weakly prime, because it can be changed into another prime (1427807243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713943621 + 713943622.

It is an arithmetic number, because the mean of its divisors is an integer number (713943622).

Almost surely, 2^1427887243 is an apocalyptic number.

1427887243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427887243 is an equidigital number, since it uses as much as digits as its factorization.

1427887243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 46.

The square root of 1427887243 is about 37787.3952926105. The cubic root of 1427887243 is about 1126.0680538042.

The spelling of 1427887243 in words is "one billion, four hundred twenty-seven million, eight hundred eighty-seven thousand, two hundred forty-three".