1408057 has 4 divisors (see below), whose sum is σ = 1609216. Its totient is φ = 1206900.

The previous prime is 1408031. The next prime is 1408067. The reversal of 1408057 is 7508041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1408057 is a prime.

1408057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1408007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100569 + ... + 100582.

It is an arithmetic number, because the mean of its divisors is an integer number (402304).

2^1408057 is an apocalyptic number.

It is an amenable number.

1408057 is a deficient number, since it is larger than the sum of its proper divisors (201159).

1408057 is an equidigital number, since it uses as much as digits as its factorization.

1408057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201158.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1408057 is about 1186.6157760623. The cubic root of 1408057 is about 112.0830856702.

The spelling of 1408057 in words is "one million, four hundred eight thousand, fifty-seven".