1442987 has 16 divisors (see below), whose sum is σ = 1804992. Its totient is φ = 1123200.

The previous prime is 1442983. The next prime is 1442989. The reversal of 1442987 is 7892441.

It is not a de Polignac number, because 1442987 - 2² = 1442983 is a prime.

It is a super-2 number, since 2×1442987² = 4164422964338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9113 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (112812).

2^1442987 is an apocalyptic number.

1442987 is a deficient number, since it is larger than the sum of its proper divisors (362005).

1442987 is a wasteful number, since it uses less digits than its factorization.

1442987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278.

The product of its digits is 16128, while the sum is 35.

The square root of 1442987 is about 1201.2439385903. The cubic root of 1442987 is about 113.0023493912.

It can be divided in two parts, 144 and 2987, that multiplied together give a triangular number (430128 = T₉₂₇).

The spelling of 1442987 in words is "one million, four hundred forty-two thousand, nine hundred eighty-seven".