1103906897 has 4 divisors (see below), whose sum is σ = 1162007280. Its totient is φ = 1045806516.

The previous prime is 1103906887. The next prime is 1103906899. The reversal of 1103906897 is 7986093011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7986093011 = 13 ⋅614314847.

It is a cyclic number.

It is not a de Polignac number, because 1103906897 - 2⁸ = 1103906641 is a prime.

It is a super-2 number, since 2×1103906897² = 2437220874488337218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103906899) by changing a digit.

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, 29050163 + ... + 29050200.

It is an arithmetic number, because the mean of its divisors is an integer number (290501820).

Almost surely, 2^1103906897 is an apocalyptic number.

It is an amenable number.

1103906897 is a deficient number, since it is larger than the sum of its proper divisors (58100383).

1103906897 is an equidigital number, since it uses as much as digits as its factorization.

1103906897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58100382.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1103906897 is about 33225.0943866229. The cubic root of 1103906897 is about 1033.5007962956.

The spelling of 1103906897 in words is "one billion, one hundred three million, nine hundred six thousand, eight hundred ninety-seven".