1283769242 has 64 divisors (see below), whose sum is σ = 2373096960. Its totient is φ = 508882176.

The previous prime is 1283769209. The next prime is 1283769251. The reversal of 1283769242 is 2429673821.

It is a junction number, because it is equal to n+sod(n) for n = 1283769193 and 1283769202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3299984 + ... + 3300372.

It is an arithmetic number, because the mean of its divisors is an integer number (37079640).

Almost surely, 2^1283769242 is an apocalyptic number.

1283769242 is a deficient number, since it is larger than the sum of its proper divisors (1089327718).

1283769242 is a wasteful number, since it uses less digits than its factorization.

1283769242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735.

The product of its digits is 290304, while the sum is 44.

The square root of 1283769242 is about 35829.7256757570. The cubic root of 1283769242 is about 1086.8317623165.

The spelling of 1283769242 in words is "one billion, two hundred eighty-three million, seven hundred sixty-nine thousand, two hundred forty-two".