1305401101 has 4 divisors (see below), whose sum is σ = 1323787104. Its totient is φ = 1287015100.

The previous prime is 1305401057. The next prime is 1305401131. The reversal of 1305401101 is 1011045031.

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: 1011045031 = 131 ⋅7717901.

It is a cyclic number.

It is not a de Polignac number, because 1305401101 - 2¹³ = 1305392909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305401131) 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, 9192895 + ... + 9193036.

It is an arithmetic number, because the mean of its divisors is an integer number (330946776).

Almost surely, 2^1305401101 is an apocalyptic number.

It is an amenable number.

1305401101 is a deficient number, since it is larger than the sum of its proper divisors (18386003).

1305401101 is an equidigital number, since it uses as much as digits as its factorization.

1305401101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18386002.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1305401101 is about 36130.3349140303. The cubic root of 1305401101 is about 1092.9022621366.

Adding to 1305401101 its reverse (1011045031), we get a palindrome (2316446132).

The spelling of 1305401101 in words is "one billion, three hundred five million, four hundred one thousand, one hundred one".