1427155 has 8 divisors (see below), whose sum is σ = 1749312. Its totient is φ = 1117248.

The previous prime is 1427143. The next prime is 1427191. The reversal of 1427155 is 5517241.

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 1427155 - 2⁹ = 1426643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2802 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (218664).

2^1427155 is an apocalyptic number.

1427155 is a deficient number, since it is larger than the sum of its proper divisors (322157).

1427155 is an equidigital number, since it uses as much as digits as its factorization.

1427155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125.

The product of its digits is 1400, while the sum is 25.

The square root of 1427155 is about 1194.6359278039. The cubic root of 1427155 is about 112.5875532431.

The spelling of 1427155 in words is "one million, four hundred twenty-seven thousand, one hundred fifty-five".