1442180 has 12 divisors (see below), whose sum is σ = 3028620. Its totient is φ = 576864.

The previous prime is 1442173. The next prime is 1442191. The reversal of 1442180 is 812441.

It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 749956 = 832^2 + 866^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 72109 = 1442180 / (1 + 4 + 4 + 2 + 1 + 8 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36035 + ... + 36074.

It is an arithmetic number, because the mean of its divisors is an integer number (252385).

2^1442180 is an apocalyptic number.

1442180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442180 is an abundant number, since it is smaller than the sum of its proper divisors (1586440).

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

1442180 is a wasteful number, since it uses less digits than its factorization.

1442180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72118 (or 72116 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1442180 is about 1200.9079898144. The cubic root of 1442180 is about 112.9812796931.

It can be divided in two parts, 1442 and 180, that multiplied together give a triangular number (259560 = T₇₂₀).

The spelling of 1442180 in words is "one million, four hundred forty-two thousand, one hundred eighty".