1427555 has 8 divisors (see below), whose sum is σ = 1745712. Its totient is φ = 1120288.

The previous prime is 1427551. The next prime is 1427561. The reversal of 1427555 is 5557241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1427555 - 2² = 1427551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (218214).

2^1427555 is an apocalyptic number.

1427555 is a deficient number, since it is larger than the sum of its proper divisors (318157).

1427555 is an equidigital number, since it uses as much as digits as its factorization.

1427555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445.

The product of its digits is 7000, while the sum is 29.

The square root of 1427555 is about 1194.8033310968. The cubic root of 1427555 is about 112.5980708614.

The spelling of 1427555 in words is "one million, four hundred twenty-seven thousand, five hundred fifty-five".