11421154 has 8 divisors (see below), whose sum is σ = 17146368. Its totient is φ = 5705700.

The previous prime is 11421149. The next prime is 11421167. The reversal of 11421154 is 45112411.

11421154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439 + ... + 5365.

It is an arithmetic number, because the mean of its divisors is an integer number (2143296).

Almost surely, 2^11421154 is an apocalyptic number.

11421154 is a deficient number, since it is larger than the sum of its proper divisors (5725214).

11421154 is a wasteful number, since it uses less digits than its factorization.

11421154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880.

The product of its digits is 160, while the sum is 19.

The square root of 11421154 is about 3379.5197883723. The cubic root of 11421154 is about 225.2008346737.

Adding to 11421154 its reverse (45112411), we get a palindrome (56533565).

The spelling of 11421154 in words is "eleven million, four hundred twenty-one thousand, one hundred fifty-four".