1457128 has 8 divisors (see below), whose sum is σ = 2732130. Its totient is φ = 728560.

The previous prime is 1457111. The next prime is 1457143. The reversal of 1457128 is 8217541.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 492804 = 982^2 + 702^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1457096 and 1457105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91063 + ... + 91078.

2^1457128 is an apocalyptic number.

It is an amenable number.

1457128 is a deficient number, since it is larger than the sum of its proper divisors (1275002).

1457128 is a wasteful number, since it uses less digits than its factorization.

1457128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182147 (or 182143 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 1457128 is about 1207.1155702749. The cubic root of 1457128 is about 113.3702839915.

The spelling of 1457128 in words is "one million, four hundred fifty-seven thousand, one hundred twenty-eight".