2100154 has 8 divisors (see below), whose sum is σ = 3600288. Its totient is φ = 900060.

The previous prime is 2100121. The next prime is 2100167. The reversal of 2100154 is 4510012.

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

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, 74992 + ... + 75019.

It is an arithmetic number, because the mean of its divisors is an integer number (450036).

2^2100154 is an apocalyptic number.

2100154 is a deficient number, since it is larger than the sum of its proper divisors (1500134).

2100154 is a wasteful number, since it uses less digits than its factorization.

2100154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150020.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2100154 is about 1449.1908086929. The cubic root of 2100154 is about 128.0610467269.

Adding to 2100154 its reverse (4510012), we get a palindrome (6610166).

The spelling of 2100154 in words is "two million, one hundred thousand, one hundred fifty-four".