1290827942 has 8 divisors (see below), whose sum is σ = 2020426416. Its totient is φ = 617352472.

The previous prime is 1290827929. The next prime is 1290827957. The reversal of 1290827942 is 2497280921.

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 = 1290827893 and 1290827902.

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, 14030693 + ... + 14030784.

It is an arithmetic number, because the mean of its divisors is an integer number (252553302).

Almost surely, 2^1290827942 is an apocalyptic number.

1290827942 is a deficient number, since it is larger than the sum of its proper divisors (729598474).

1290827942 is a wasteful number, since it uses less digits than its factorization.

1290827942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28061502.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1290827942 is about 35928.0940490864. The cubic root of 1290827942 is about 1088.8200743676.

The spelling of 1290827942 in words is "one billion, two hundred ninety million, eight hundred twenty-seven thousand, nine hundred forty-two".