1283442942 has 8 divisors (see below), whose sum is σ = 2566885896. Its totient is φ = 427814312.

The previous prime is 1283442911. The next prime is 1283442943. The reversal of 1283442942 is 2492443821.

It is a sphenic number, since it is the product of 3 distinct primes.

1283442942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1283442942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283442943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106953573 + ... + 106953584.

It is an arithmetic number, because the mean of its divisors is an integer number (320860737).

Almost surely, 2^1283442942 is an apocalyptic number.

1283442942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1283442942 is a wasteful number, since it uses less digits than its factorization.

1283442942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213907162.

The product of its digits is 110592, while the sum is 39.

The square root of 1283442942 is about 35825.1719046818. The cubic root of 1283442942 is about 1086.7396732705.

The spelling of 1283442942 in words is "one billion, two hundred eighty-three million, four hundred forty-two thousand, nine hundred forty-two".