7874121 has 8 divisors (see below), whose sum is σ = 10541664. Its totient is φ = 5228000.

The previous prime is 7874107. The next prime is 7874123. The reversal of 7874121 is 1214787.

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 7874121 - 2⁵ = 7874089 is a prime.

It is an alternating number because its digits alternate between odd and even.

7874121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7874123) 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, 4476 + ... + 5981.

It is an arithmetic number, because the mean of its divisors is an integer number (1317708).

Almost surely, 2^7874121 is an apocalyptic number.

It is an amenable number.

7874121 is a deficient number, since it is larger than the sum of its proper divisors (2667543).

7874121 is a wasteful number, since it uses less digits than its factorization.

7874121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10711.

The product of its digits is 3136, while the sum is 30.

The square root of 7874121 is about 2806.0864206221. The cubic root of 7874121 is about 198.9454578098.

It can be divided in two parts, 78741 and 21, that multiplied together give a palindrome (1653561).

The spelling of 7874121 in words is "seven million, eight hundred seventy-four thousand, one hundred twenty-one".