103440611 has 4 divisors (see below), whose sum is σ = 104255232. Its totient is φ = 102625992.

The previous prime is 103440569. The next prime is 103440619. The reversal of 103440611 is 116044301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103440611 - 2²² = 99246307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103440619) 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, 407120 + ... + 407373.

It is an arithmetic number, because the mean of its divisors is an integer number (26063808).

Almost surely, 2^103440611 is an apocalyptic number.

103440611 is a deficient number, since it is larger than the sum of its proper divisors (814621).

103440611 is an equidigital number, since it uses as much as digits as its factorization.

103440611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814620.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 103440611 is about 10170.5757457481. The cubic root of 103440611 is about 469.4222733966.

Adding to 103440611 its reverse (116044301), we get a palindrome (219484912).

The spelling of 103440611 in words is "one hundred three million, four hundred forty thousand, six hundred eleven".