1290822382 has 8 divisors (see below), whose sum is σ = 1977430176. Its totient is φ = 631678992.

The previous prime is 1290822349. The next prime is 1290822383. The reversal of 1290822382 is 2832280921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290822383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6865983 + ... + 6866170.

It is an arithmetic number, because the mean of its divisors is an integer number (247178772).

Almost surely, 2^1290822382 is an apocalyptic number.

1290822382 is a deficient number, since it is larger than the sum of its proper divisors (686607794).

1290822382 is a wasteful number, since it uses less digits than its factorization.

1290822382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13732202.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1290822382 is about 35928.0166722295. The cubic root of 1290822382 is about 1088.8185110691.

The spelling of 1290822382 in words is "one billion, two hundred ninety million, eight hundred twenty-two thousand, three hundred eighty-two".