1292880342 has 32 divisors (see below), whose sum is σ = 2792482560. Its totient is φ = 396692640.

The previous prime is 1292880341. The next prime is 1292880343. The reversal of 1292880342 is 2430882921.

It is an interprime number because it is at equal distance from previous prime (1292880341) and next prime (1292880343).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1292880342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292880341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4917 + ... + 51087.

It is an arithmetic number, because the mean of its divisors is an integer number (87265080).

Almost surely, 2^1292880342 is an apocalyptic number.

1292880342 is an abundant number, since it is smaller than the sum of its proper divisors (1499602218).

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

1292880342 is a wasteful number, since it uses less digits than its factorization.

1292880342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46548.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1292880342 is about 35956.6453107072. The cubic root of 1292880342 is about 1089.3968388133.

The spelling of 1292880342 in words is "one billion, two hundred ninety-two million, eight hundred eighty thousand, three hundred forty-two".