1427172 has 12 divisors (see below), whose sum is σ = 3330096. Its totient is φ = 475720.

The previous prime is 1427143. The next prime is 1427191. The reversal of 1427172 is 2717241.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59454 + ... + 59477.

It is an arithmetic number, because the mean of its divisors is an integer number (277508).

2^1427172 is an apocalyptic number.

1427172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1427172 is an abundant number, since it is smaller than the sum of its proper divisors (1902924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427172 is a wasteful number, since it uses less digits than its factorization.

1427172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118938 (or 118936 counting only the distinct ones).

The product of its digits is 784, while the sum is 24.

The square root of 1427172 is about 1194.6430429212. The cubic root of 1427172 is about 112.5880002819.

The spelling of 1427172 in words is "one million, four hundred twenty-seven thousand, one hundred seventy-two".