1457121 has 8 divisors (see below), whose sum is σ = 2057184. Its totient is φ = 914240.

The previous prime is 1457111. The next prime is 1457143. The reversal of 1457121 is 1217541.

It is a happy number.

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 1457121 - 2¹³ = 1448929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1457111) 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, 14235 + ... + 14336.

It is an arithmetic number, because the mean of its divisors is an integer number (257148).

2^1457121 is an apocalyptic number.

It is an amenable number.

1457121 is a deficient number, since it is larger than the sum of its proper divisors (600063).

1457121 is a wasteful number, since it uses less digits than its factorization.

1457121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28591.

The product of its digits is 280, while the sum is 21.

The square root of 1457121 is about 1207.1126707976. The cubic root of 1457121 is about 113.3701024487.

The spelling of 1457121 in words is "one million, four hundred fifty-seven thousand, one hundred twenty-one".