1292875442 has 8 divisors (see below), whose sum is σ = 1944513516. Its totient is φ = 644704272.

The previous prime is 1292875417. The next prime is 1292875459. The reversal of 1292875442 is 2445782921.

It can be written as a sum of positive squares in 2 ways, for example, as 1268855641 + 24019801 = 35621^2 + 4901^2 .

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 = 1292875393 and 1292875402.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 865793 + ... + 867284.

Almost surely, 2^1292875442 is an apocalyptic number.

1292875442 is a deficient number, since it is larger than the sum of its proper divisors (651638074).

1292875442 is a wasteful number, since it uses less digits than its factorization.

1292875442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733452.

The product of its digits is 322560, while the sum is 44.

The square root of 1292875442 is about 35956.5771730291. The cubic root of 1292875442 is about 1089.3954625449.

The spelling of 1292875442 in words is "one billion, two hundred ninety-two million, eight hundred seventy-five thousand, four hundred forty-two".