2131154 has 16 divisors (see below), whose sum is σ = 3564000. Its totient is φ = 949824.

The previous prime is 2131141. The next prime is 2131193. The reversal of 2131154 is 4511312.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (222750).

2^2131154 is an apocalyptic number.

2131154 is a deficient number, since it is larger than the sum of its proper divisors (1432846).

2131154 is a wasteful number, since it uses less digits than its factorization.

2131154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337.

The product of its digits is 120, while the sum is 17.

The square root of 2131154 is about 1459.8472522836. The cubic root of 2131154 is about 128.6880671119.

Adding to 2131154 its reverse (4511312), we get a palindrome (6642466).

The spelling of 2131154 in words is "two million, one hundred thirty-one thousand, one hundred fifty-four".