1103456401 has 2 divisors, whose sum is σ = 1103456402. Its totient is φ = 1103456400.

The previous prime is 1103456381. The next prime is 1103456429. The reversal of 1103456401 is 1046543011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 751856400 + 351600001 = 27420^2 + 18751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103456401 - 2⁷ = 1103456273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103406401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551728200 + 551728201.

It is an arithmetic number, because the mean of its divisors is an integer number (551728201).

Almost surely, 2^1103456401 is an apocalyptic number.

It is an amenable number.

1103456401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103456401 is an equidigital number, since it uses as much as digits as its factorization.

1103456401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1103456401 is about 33218.3142407919. The cubic root of 1103456401 is about 1033.3601892315.

Adding to 1103456401 its reverse (1046543011), we get a palindrome (2149999412).

The spelling of 1103456401 in words is "one billion, one hundred three million, four hundred fifty-six thousand, four hundred one".