1057942 has 4 divisors (see below), whose sum is σ = 1586916. Its totient is φ = 528970.

The previous prime is 1057919. The next prime is 1057951. The reversal of 1057942 is 2497501.

It is a happy number.

1057942 is nontrivially palindromic in base 5.

1057942 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2497501 = 23 ⋅108587.

It is a super-2 number, since 2×1057942² = 2238482550728, which contains 22 as substring.

1057942 is an undulating number in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 1057942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264484 + ... + 264487.

It is an arithmetic number, because the mean of its divisors is an integer number (396729).

2^1057942 is an apocalyptic number.

1057942 is a deficient number, since it is larger than the sum of its proper divisors (528974).

1057942 is an equidigital number, since it uses as much as digits as its factorization.

1057942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528973.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1057942 is about 1028.5630753629. The cubic root of 1057942 is about 101.8952532280.

The spelling of 1057942 in words is "one million, fifty-seven thousand, nine hundred forty-two".