11401120 has 24 divisors (see below), whose sum is σ = 26935524. Its totient is φ = 4560384.

The previous prime is 11401111. The next prime is 11401127. The reversal of 11401120 is 2110411.

It can be written as a sum of positive squares in 2 ways, for example, as 11262736 + 138384 = 3356^2 + 372^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11401097 and 11401106.

It is not an unprimeable number, because it can be changed into a prime (11401127) 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, 35469 + ... + 35788.

Almost surely, 2^11401120 is an apocalyptic number.

11401120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11401120 is an abundant number, since it is smaller than the sum of its proper divisors (15534404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11401120 is an equidigital number, since it uses as much as digits as its factorization.

11401120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71272 (or 71264 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11401120 is about 3376.5544568391. The cubic root of 11401120 is about 225.0690816684.

Adding to 11401120 its reverse (2110411), we get a palindrome (13511531).

The spelling of 11401120 in words is "eleven million, four hundred one thousand, one hundred twenty".