1097810801 has 4 divisors (see below), whose sum is σ = 1098495552. Its totient is φ = 1097126052.

The previous prime is 1097810797. The next prime is 1097810809. The reversal of 1097810801 is 1080187901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1097810801 - 2² = 1097810797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097810809) 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, 339965 + ... + 343178.

It is an arithmetic number, because the mean of its divisors is an integer number (274623888).

Almost surely, 2^1097810801 is an apocalyptic number.

It is an amenable number.

1097810801 is a deficient number, since it is larger than the sum of its proper divisors (684751).

1097810801 is an equidigital number, since it uses as much as digits as its factorization.

1097810801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684750.

The product of its (nonzero) digits is 4032, while the sum is 35.

The square root of 1097810801 is about 33133.2280497992. The cubic root of 1097810801 is about 1031.5948525966.

The spelling of 1097810801 in words is "one billion, ninety-seven million, eight hundred ten thousand, eight hundred one".