1057342 has 16 divisors (see below), whose sum is σ = 1863792. Its totient is φ = 443520.

The previous prime is 1057307. The next prime is 1057361. The reversal of 1057342 is 2437501.

It is a super-2 number, since 2×1057342² = 2235944209928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563 + ... + 2134.

It is an arithmetic number, because the mean of its divisors is an integer number (116487).

2^1057342 is an apocalyptic number.

1057342 is a deficient number, since it is larger than the sum of its proper divisors (806450).

1057342 is a wasteful number, since it uses less digits than its factorization.

1057342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723.

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

The square root of 1057342 is about 1028.2713649616. The cubic root of 1057342 is about 101.8759866666.

It can be divided in two parts, 105 and 7342, that added together give a palindrome (7447).

The spelling of 1057342 in words is "one million, fifty-seven thousand, three hundred forty-two".