1442392087 has 8 divisors (see below), whose sum is σ = 1567285760. Its totient is φ = 1322396280.

The previous prime is 1442392067. The next prime is 1442392139. The reversal of 1442392087 is 7802932441.

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 1442392087 - 2¹⁹ = 1441867799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442392027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223853 + ... + 1225030.

It is an arithmetic number, because the mean of its divisors is an integer number (195910720).

Almost surely, 2^1442392087 is an apocalyptic number.

1442392087 is a deficient number, since it is larger than the sum of its proper divisors (124893673).

1442392087 is a wasteful number, since it uses less digits than its factorization.

1442392087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448933.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1442392087 is about 37978.8373571388. The cubic root of 1442392087 is about 1129.8681776422.

The spelling of 1442392087 in words is "one billion, four hundred forty-two million, three hundred ninety-two thousand, eighty-seven".