103653091 has 12 divisors (see below), whose sum is σ = 107976720. Its totient is φ = 99474480.

The previous prime is 103653083. The next prime is 103653101. The reversal of 103653091 is 190356301.

It is not a de Polignac number, because 103653091 - 2³ = 103653083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103653031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112330 + ... + 113248.

It is an arithmetic number, because the mean of its divisors is an integer number (8998060).

Almost surely, 2^103653091 is an apocalyptic number.

103653091 is a deficient number, since it is larger than the sum of its proper divisors (4323629).

103653091 is an frugal number, since it uses more digits than its factorization.

103653091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 103653091 is about 10181.0162066466. The cubic root of 103653091 is about 469.7434709957.

It can be divided in two parts, 10365 and 3091, that added together give a square (13456 = 116²).

The spelling of 103653091 in words is "one hundred three million, six hundred fifty-three thousand, ninety-one".