2873121 has 8 divisors (see below), whose sum is σ = 3861504. Its totient is φ = 1900080.

The previous prime is 2873113. The next prime is 2873141. The reversal of 2873121 is 1213782.

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

It is not a de Polignac number, because 2873121 - 2³ = 2873113 is a prime.

2873121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2873091 and 2873100.

It is not an unprimeable number, because it can be changed into a prime (2873141) 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, 3390 + ... + 4151.

It is an arithmetic number, because the mean of its divisors is an integer number (482688).

2^2873121 is an apocalyptic number.

It is an amenable number.

2873121 is a deficient number, since it is larger than the sum of its proper divisors (988383).

2873121 is a wasteful number, since it uses less digits than its factorization.

2873121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671.

The product of its digits is 672, while the sum is 24.

The square root of 2873121 is about 1695.0283183475. The cubic root of 2873121 is about 142.1623646992.

It can be divided in two parts, 28731 and 21, that multiplied together give a triangular number (603351 = T₁₀₉₈).

The spelling of 2873121 in words is "two million, eight hundred seventy-three thousand, one hundred twenty-one".