1427144 has 8 divisors (see below), whose sum is σ = 2675910. Its totient is φ = 713568.

The previous prime is 1427143. The next prime is 1427191. The reversal of 1427144 is 4417241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1020100 + 407044 = 1010^2 + 638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1427141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89189 + ... + 89204.

2^1427144 is an apocalyptic number.

It is an amenable number.

1427144 is a deficient number, since it is larger than the sum of its proper divisors (1248766).

1427144 is a wasteful number, since it uses less digits than its factorization.

1427144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178399 (or 178395 counting only the distinct ones).

The product of its digits is 896, while the sum is 23.

The square root of 1427144 is about 1194.6313238820. The cubic root of 1427144 is about 112.5872639808.

The spelling of 1427144 in words is "one million, four hundred twenty-seven thousand, one hundred forty-four".