1097406705 has 32 divisors (see below), whose sum is σ = 1839469824. Its totient is φ = 557613056.

The previous prime is 1097406691. The next prime is 1097406707. The reversal of 1097406705 is 5076047901.

It is a cyclic number.

It is not a de Polignac number, because 1097406705 - 2⁸ = 1097406449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1097406707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82477 + ... + 94853.

It is an arithmetic number, because the mean of its divisors is an integer number (57483432).

Almost surely, 2^1097406705 is an apocalyptic number.

1097406705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1097406705 is a deficient number, since it is larger than the sum of its proper divisors (742063119).

1097406705 is a wasteful number, since it uses less digits than its factorization.

1097406705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12665.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 1097406705 is about 33127.1294409884. The cubic root of 1097406705 is about 1031.4682629293.

The spelling of 1097406705 in words is "one billion, ninety-seven million, four hundred six thousand, seven hundred five".