1113011401 has 4 divisors (see below), whose sum is σ = 1113166612. Its totient is φ = 1112856192.

The previous prime is 1113011359. The next prime is 1113011443. The reversal of 1113011401 is 1041103111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1041103111 = 4153 ⋅250687.

It is an interprime number because it is at equal distance from previous prime (1113011359) and next prime (1113011443).

It can be written as a sum of positive squares in 2 ways, for example, as 467597376 + 645414025 = 21624^2 + 25405^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113011401 - 2⁹ = 1113010889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113014401) 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, 66300 + ... + 81373.

It is an arithmetic number, because the mean of its divisors is an integer number (278291653).

Almost surely, 2^1113011401 is an apocalyptic number.

It is an amenable number.

1113011401 is a deficient number, since it is larger than the sum of its proper divisors (155211).

1113011401 is an equidigital number, since it uses as much as digits as its factorization.

1113011401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155210.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1113011401 is about 33361.8255046093. The cubic root of 1113011401 is about 1036.3342966061.

Adding to 1113011401 its reverse (1041103111), we get a palindrome (2154114512).

The spelling of 1113011401 in words is "one billion, one hundred thirteen million, eleven thousand, four hundred one".