1407121 has 8 divisors (see below), whose sum is σ = 1529600. Its totient is φ = 1289520.

The previous prime is 1407113. The next prime is 1407143. The reversal of 1407121 is 1217041.

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 1407121 - 2³ = 1407113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1407095 and 1407104.

It is not an unprimeable number, because it can be changed into a prime (1407101) 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, 606 + ... + 1783.

It is an arithmetic number, because the mean of its divisors is an integer number (191200).

2^1407121 is an apocalyptic number.

It is an amenable number.

1407121 is a deficient number, since it is larger than the sum of its proper divisors (122479).

1407121 is a wasteful number, since it uses less digits than its factorization.

1407121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1407121 is about 1186.2213115604. The cubic root of 1407121 is about 112.0582445776.

The spelling of 1407121 in words is "one million, four hundred seven thousand, one hundred twenty-one".