2011154 has 8 divisors (see below), whose sum is σ = 3022860. Its totient is φ = 1003536.

The previous prime is 2011147. The next prime is 2011171. The reversal of 2011154 is 4511102.

It can be written as a sum of positive squares in 2 ways, for example, as 1885129 + 126025 = 1373^2 + 355^2 .

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

It is a nialpdrome in base 13.

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, 1052 + ... + 2264.

2^2011154 is an apocalyptic number.

2011154 is a deficient number, since it is larger than the sum of its proper divisors (1011706).

2011154 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 2011154 = (1154012)₁₁.

2011154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2011154 is about 1418.1516138975. The cubic root of 2011154 is about 126.2258902430.

Adding to 2011154 its reverse (4511102), we get a palindrome (6522256).

The spelling of 2011154 in words is "two million, eleven thousand, one hundred fifty-four".