2906121 has 8 divisors (see below), whose sum is σ = 3969504. Its totient is φ = 1890080.

The previous prime is 2906089. The next prime is 2906129. The reversal of 2906121 is 1216092.

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

It is a cyclic number.

It is not a de Polignac number, because 2906121 - 2⁵ = 2906089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2906129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11691 + ... + 11936.

It is an arithmetic number, because the mean of its divisors is an integer number (496188).

2^2906121 is an apocalyptic number.

It is an amenable number.

2906121 is a deficient number, since it is larger than the sum of its proper divisors (1063383).

2906121 is a wasteful number, since it uses less digits than its factorization.

2906121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23671.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2906121 is about 1704.7348767477. The cubic root of 2906121 is about 142.7045753582.

The spelling of 2906121 in words is "two million, nine hundred six thousand, one hundred twenty-one".