1113342401 has 4 divisors (see below), whose sum is σ = 1149256704. Its totient is φ = 1077428100.

The previous prime is 1113342397. The next prime is 1113342431. The reversal of 1113342401 is 1042433111.

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: 1042433111 = 599 ⋅1740289.

It is a cyclic number.

It is not a de Polignac number, because 1113342401 - 2² = 1113342397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113342431) 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, 17957105 + ... + 17957166.

It is an arithmetic number, because the mean of its divisors is an integer number (287314176).

Almost surely, 2^1113342401 is an apocalyptic number.

It is an amenable number.

1113342401 is a deficient number, since it is larger than the sum of its proper divisors (35914303).

1113342401 is an equidigital number, since it uses as much as digits as its factorization.

1113342401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35914302.

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

The square root of 1113342401 is about 33366.7858955579. The cubic root of 1113342401 is about 1036.4370187205.

Adding to 1113342401 its reverse (1042433111), we get a palindrome (2155775512).

The spelling of 1113342401 in words is "one billion, one hundred thirteen million, three hundred forty-two thousand, four hundred one".