2958121 has 4 divisors (see below), whose sum is σ = 2962372. Its totient is φ = 2953872.

The previous prime is 2958101. The next prime is 2958139. The reversal of 2958121 is 1218592.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2768896 + 189225 = 1664^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 2958121 - 2¹⁵ = 2925353 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2958121.

It is not an unprimeable number, because it can be changed into a prime (2958101) 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, 810 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (740593).

2^2958121 is an apocalyptic number.

It is an amenable number.

2958121 is a deficient number, since it is larger than the sum of its proper divisors (4251).

2958121 is an equidigital number, since it uses as much as digits as its factorization.

2958121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250.

The product of its digits is 1440, while the sum is 28.

The square root of 2958121 is about 1719.9188934365. The cubic root of 2958121 is about 143.5506989817.

The spelling of 2958121 in words is "two million, nine hundred fifty-eight thousand, one hundred twenty-one".