2105701154 has 8 divisors (see below), whose sum is σ = 3243918108. Its totient is φ = 1024395120.

The previous prime is 2105701153. The next prime is 2105701189. The reversal of 2105701154 is 4511075012.

It can be written as a sum of positive squares in 2 ways, for example, as 1881390625 + 224310529 = 43375^2 + 14977^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2105701153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14227637 + ... + 14227784.

Almost surely, 2^2105701154 is an apocalyptic number.

2105701154 is a deficient number, since it is larger than the sum of its proper divisors (1138216954).

2105701154 is a wasteful number, since it uses less digits than its factorization.

2105701154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28455460.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 2105701154 is about 45887.9194777885. The cubic root of 2105701154 is about 1281.7369716814.

Adding to 2105701154 its reverse (4511075012), we get a palindrome (6616776166).

The spelling of 2105701154 in words is "two billion, one hundred five million, seven hundred one thousand, one hundred fifty-four".