1110120401 has 16 divisors (see below), whose sum is σ = 1224647424.
Its totient is φ = 999888384.
The previous prime is 1110120373. The next prime is 1110120433. The reversal of 1110120401 is 1040210111.
It is a cyclic number.
It is not a de Polignac number, because 1110120401 - 218 = 1109858257 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1110120481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213110 + ... + 218256.
It is an arithmetic number, because the mean of its divisors is an integer number (76540464).
Almost surely, 21110120401 is an apocalyptic number.
It is an amenable number.
1110120401 is a deficient number, since it is larger than the sum of its proper divisors (114527023).
1110120401 is a wasteful number, since it uses less digits than its factorization.
1110120401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5560.
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 1110120401 is about 33318.4693676045.
The cubic root of 1110120401 is about 1035.4362404467.
Adding to 1110120401 its reverse (1040210111), we get a palindrome (2150330512).
The spelling of 1110120401 in words is "one billion, one hundred ten million, one hundred twenty thousand, four hundred one".