1097939642 has 8 divisors (see below), whose sum is σ = 1647137376. Its totient is φ = 548893852.

The previous prime is 1097939629. The next prime is 1097939651. The reversal of 1097939642 is 2469397901.

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

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, 17768 + ... + 50115.

It is an arithmetic number, because the mean of its divisors is an integer number (205892172).

Almost surely, 2^1097939642 is an apocalyptic number.

1097939642 is a deficient number, since it is larger than the sum of its proper divisors (549197734).

1097939642 is an equidigital number, since it uses as much as digits as its factorization.

1097939642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75972.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 1097939642 is about 33135.1722796185. The cubic root of 1097939642 is about 1031.6352076113.

The spelling of 1097939642 in words is "one billion, ninety-seven million, nine hundred thirty-nine thousand, six hundred forty-two".