2119251 has 4 divisors (see below), whose sum is σ = 2825672. Its totient is φ = 1412832.

The previous prime is 2119231. The next prime is 2119259. The reversal of 2119251 is 1529112.

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

It is not a de Polignac number, because 2119251 - 2¹³ = 2111059 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2119259) 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, 353206 + ... + 353211.

It is an arithmetic number, because the mean of its divisors is an integer number (706418).

2^2119251 is an apocalyptic number.

2119251 is a deficient number, since it is larger than the sum of its proper divisors (706421).

2119251 is an equidigital number, since it uses as much as digits as its factorization.

2119251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706420.

The product of its digits is 180, while the sum is 21.

The square root of 2119251 is about 1455.7647474781. The cubic root of 2119251 is about 128.4480352296.

The spelling of 2119251 in words is "two million, one hundred nineteen thousand, two hundred fifty-one".