2387121 has 8 divisors (see below), whose sum is σ = 3472224. Its totient is φ = 1446720.

The previous prime is 2387117. The next prime is 2387137. The reversal of 2387121 is 1217832.

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

It is not a de Polignac number, because 2387121 - 2² = 2387117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2387091 and 2387100.

It is not an unprimeable number, because it can be changed into a prime (2387111) 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, 36136 + ... + 36201.

It is an arithmetic number, because the mean of its divisors is an integer number (434028).

2^2387121 is an apocalyptic number.

It is an amenable number.

2387121 is a deficient number, since it is larger than the sum of its proper divisors (1085103).

2387121 is a wasteful number, since it uses less digits than its factorization.

2387121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72351.

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

The square root of 2387121 is about 1545.0310676488. The cubic root of 2387121 is about 133.6466707097.

The spelling of 2387121 in words is "two million, three hundred eighty-seven thousand, one hundred twenty-one".