1282192940 has 24 divisors (see below), whose sum is σ = 3077263392. Its totient is φ = 439608960.

The previous prime is 1282192939. The next prime is 1282192949. The reversal of 1282192940 is 492912821.

It is a junction number, because it is equal to n+sod(n) for n = 1282192894 and 1282192903.

It is not an unprimeable number, because it can be changed into a prime (1282192949) 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, 4579121 + ... + 4579400.

It is an arithmetic number, because the mean of its divisors is an integer number (128219308).

Almost surely, 2^1282192940 is an apocalyptic number.

1282192940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1282192940 is an abundant number, since it is smaller than the sum of its proper divisors (1795070452).

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

1282192940 is a wasteful number, since it uses less digits than its factorization.

1282192940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9158537 (or 9158535 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1282192940 is about 35807.7217929318. The cubic root of 1282192940 is about 1086.3867506823.

The spelling of 1282192940 in words is "one billion, two hundred eighty-two million, one hundred ninety-two thousand, nine hundred forty".