1342057 has 4 divisors (see below), whose sum is σ = 1345680. Its totient is φ = 1338436.

The previous prime is 1342051. The next prime is 1342063. The reversal of 1342057 is 7502431.

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 an interprime number because it is at equal distance from previous prime (1342051) and next prime (1342063).

It is a cyclic number.

It is not a de Polignac number, because 1342057 - 2³ = 1342049 is a prime.

It is a super-2 number, since 2×1342057² = 3602233982498, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

1342057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1342051) 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 3 ways as a sum of consecutive naturals, for example, 1183 + ... + 2020.

It is an arithmetic number, because the mean of its divisors is an integer number (336420).

2^1342057 is an apocalyptic number.

It is an amenable number.

1342057 is a deficient number, since it is larger than the sum of its proper divisors (3623).

1342057 is an equidigital number, since it uses as much as digits as its factorization.

1342057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1342057 is about 1158.4718382421. The cubic root of 1342057 is about 110.3037609541.

Adding to 1342057 its reverse (7502431), we get a palindrome (8844488).

The spelling of 1342057 in words is "one million, three hundred forty-two thousand, fifty-seven".