1457427 has 18 divisors (see below), whose sum is σ = 2115844. Its totient is φ = 892160.

The previous prime is 1457419. The next prime is 1457429. The reversal of 1457427 is 7247541.

It is not a de Polignac number, because 1457427 - 2³ = 1457419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1457394 and 1457403.

It is not an unprimeable number, because it can be changed into a prime (1457429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35527 + ... + 35567.

2^1457427 is an apocalyptic number.

1457427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1457427 is a deficient number, since it is larger than the sum of its proper divisors (658417).

1457427 is an equidigital number, since it uses as much as digits as its factorization.

1457427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 61 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 1457427 is about 1207.2394128755. The cubic root of 1457427 is about 113.3780379194.

The spelling of 1457427 in words is "one million, four hundred fifty-seven thousand, four hundred twenty-seven".