1290342418 has 8 divisors (see below), whose sum is σ = 1976694912. Its totient is φ = 631444116.

The previous prime is 1290342401. The next prime is 1290342457. The reversal of 1290342418 is 8142430921.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6863430 + ... + 6863617.

It is an arithmetic number, because the mean of its divisors is an integer number (247086864).

Almost surely, 2^1290342418 is an apocalyptic number.

1290342418 is a deficient number, since it is larger than the sum of its proper divisors (686352494).

1290342418 is a wasteful number, since it uses less digits than its factorization.

1290342418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13727096.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1290342418 is about 35921.3365285870. The cubic root of 1290342418 is about 1088.6835432429.

The spelling of 1290342418 in words is "one billion, two hundred ninety million, three hundred forty-two thousand, four hundred eighteen".