1097447901 has 8 divisors (see below), whose sum is σ = 1596287904. Its totient is φ = 665119920.

The previous prime is 1097447851. The next prime is 1097447929.

1097447901 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 1097447901 - 2¹⁵ = 1097415133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097447501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16627966 + ... + 16628031.

It is an arithmetic number, because the mean of its divisors is an integer number (199535988).

Almost surely, 2^1097447901 is an apocalyptic number.

1097447901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1097447901 is a deficient number, since it is larger than the sum of its proper divisors (498840003).

1097447901 is a wasteful number, since it uses less digits than its factorization.

1097447901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33256011.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1097447901 is about 33127.7512215967. The cubic root of 1097447901 is about 1031.4811696710.

The spelling of 1097447901 in words is "one billion, ninety-seven million, four hundred forty-seven thousand, nine hundred one".