1057242 has 8 divisors (see below), whose sum is σ = 2114496. Its totient is φ = 352412.

The previous prime is 1057237. The next prime is 1057249. The reversal of 1057242 is 2427501.

It is a sphenic number, since it is the product of 3 distinct primes.

1057242 is an admirable number.

It is a super-2 number, since 2×1057242² = 2235521293128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057249) 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, 88098 + ... + 88109.

It is an arithmetic number, because the mean of its divisors is an integer number (264312).

2^1057242 is an apocalyptic number.

1057242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057242 is a wasteful number, since it uses less digits than its factorization.

1057242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176212.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1057242 is about 1028.2227385153. Note that the first 3 decimals coincide. The cubic root of 1057242 is about 101.8727748645.

The spelling of 1057242 in words is "one million, fifty-seven thousand, two hundred forty-two".