1456121 has 2 divisors, whose sum is σ = 1456122. Its totient is φ = 1456120.

The previous prime is 1456099. The next prime is 1456123. The reversal of 1456121 is 1216541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1452025 + 4096 = 1205^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456121 - 2⁶ = 1456057 is a prime.

It is a Sophie Germain prime.

Together with 1456123, it forms a pair of twin primes.

It is a Chen prime.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1456093 and 1456102.

It is not a weakly prime, because it can be changed into another prime (1456123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728060 + 728061.

It is an arithmetic number, because the mean of its divisors is an integer number (728061).

2^1456121 is an apocalyptic number.

It is an amenable number.

1456121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456121 is an equidigital number, since it uses as much as digits as its factorization.

1456121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 20.

The square root of 1456121 is about 1206.6983881650. The cubic root of 1456121 is about 113.3441617874.

The spelling of 1456121 in words is "one million, four hundred fifty-six thousand, one hundred twenty-one".