1457426 has 4 divisors (see below), whose sum is σ = 2186142. Its totient is φ = 728712.

The previous prime is 1457419. The next prime is 1457429. The reversal of 1457426 is 6247541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 819025 + 638401 = 905^2 + 799^2 .

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364355 + ... + 364358.

2^1457426 is an apocalyptic number.

1457426 is a deficient number, since it is larger than the sum of its proper divisors (728716).

1457426 is an equidigital number, since it uses as much as digits as its factorization.

1457426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728715.

The product of its digits is 6720, while the sum is 29.

The square root of 1457426 is about 1207.2389987074. The cubic root of 1457426 is about 113.3780119883.

The spelling of 1457426 in words is "one million, four hundred fifty-seven thousand, four hundred twenty-six".