11420154 has 24 divisors (see below), whose sum is σ = 25272000. Its totient is φ = 3725448.

The previous prime is 11420131. The next prime is 11420173. The reversal of 11420154 is 45102411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5904 + ... + 7595.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^11420154 is an apocalyptic number.

11420154 is an abundant number, since it is smaller than the sum of its proper divisors (13851846).

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

11420154 is a wasteful number, since it uses less digits than its factorization.

11420154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13554 (or 13551 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11420154 is about 3379.3718351197. The cubic root of 11420154 is about 225.1942618584.

Adding to 11420154 its reverse (45102411), we get a palindrome (56522565).

The spelling of 11420154 in words is "eleven million, four hundred twenty thousand, one hundred fifty-four".