1283630942 has 8 divisors (see below), whose sum is σ = 2100487032. Its totient is φ = 583468600.

The previous prime is 1283630893. The next prime is 1283630983. The reversal of 1283630942 is 2490363821.

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

It is a junction number, because it is equal to n+sod(n) for n = 1283630896 and 1283630905.

It is a congruent number.

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, 29173409 + ... + 29173452.

It is an arithmetic number, because the mean of its divisors is an integer number (262560879).

Almost surely, 2^1283630942 is an apocalyptic number.

1283630942 is a deficient number, since it is larger than the sum of its proper divisors (816856090).

1283630942 is a wasteful number, since it uses less digits than its factorization.

1283630942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58346874.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1283630942 is about 35827.7956620275. The cubic root of 1283630942 is about 1086.7927329163.

The spelling of 1283630942 in words is "one billion, two hundred eighty-three million, six hundred thirty thousand, nine hundred forty-two".