11871054 has 48 divisors (see below), whose sum is σ = 28038192. Its totient is φ = 3608064.

The previous prime is 11871019. The next prime is 11871061. The reversal of 11871054 is 45017811.

11871054 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22437 + ... + 22959.

It is an arithmetic number, because the mean of its divisors is an integer number (584129).

Almost surely, 2^11871054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11871054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14019096).

11871054 is an abundant number, since it is smaller than the sum of its proper divisors (16167138).

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

11871054 is a wasteful number, since it uses less digits than its factorization.

11871054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 11871054 is about 3445.4395945946. The cubic root of 11871054 is about 228.1198584942.

Adding to 11871054 its reverse (45017811), we get a palindrome (56888865).

The spelling of 11871054 in words is "eleven million, eight hundred seventy-one thousand, fifty-four".