1113420401 has 4 divisors (see below), whose sum is σ = 1114524900. Its totient is φ = 1112315904.

The previous prime is 1113420379. The next prime is 1113420419. The reversal of 1113420401 is 1040243111.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 188348176 + 925072225 = 13724^2 + 30415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113420401 - 2⁶ = 1113420337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113420401.

It is not an unprimeable number, because it can be changed into a prime (1113420481) 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, 550736 + ... + 552753.

It is an arithmetic number, because the mean of its divisors is an integer number (278631225).

Almost surely, 2^1113420401 is an apocalyptic number.

It is an amenable number.

1113420401 is a deficient number, since it is larger than the sum of its proper divisors (1104499).

1113420401 is a wasteful number, since it uses less digits than its factorization.

1113420401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104498.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1113420401 is about 33367.9547020791. The cubic root of 1113420401 is about 1036.4612221760.

Adding to 1113420401 its reverse (1040243111), we get a palindrome (2153663512).

The spelling of 1113420401 in words is "one billion, one hundred thirteen million, four hundred twenty thousand, four hundred one".