11954142 has 36 divisors (see below), whose sum is σ = 26924976. Its totient is φ = 3980340.

The previous prime is 11954123. The next prime is 11954161. The reversal of 11954142 is 24145911.

11954142 is a `hidden beast` number, since 119 + 541 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (11954123) and next prime (11954161).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12667 + ... + 13577.

It is an arithmetic number, because the mean of its divisors is an integer number (747916).

Almost surely, 2^11954142 is an apocalyptic number.

11954142 is the 2187-th heptagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11954142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13462488).

11954142 is an abundant number, since it is smaller than the sum of its proper divisors (14970834).

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

11954142 is an frugal number, since it uses more digits than its factorization.

11954142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 916 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 11954142 is about 3457.4762472069. The cubic root of 11954142 is about 228.6508411937.

The spelling of 11954142 in words is "eleven million, nine hundred fifty-four thousand, one hundred forty-two".