1057245 has 16 divisors (see below), whose sum is σ = 1933440. Its totient is φ = 483264.

The previous prime is 1057237. The next prime is 1057249. The reversal of 1057245 is 5427501.

It is not a de Polignac number, because 1057245 - 2³ = 1057237 is a prime.

It is a super-2 number, since 2×1057245² = 2235533980050, which contains 22 as substring.

It is an Ulam number.

1057245 is a lucky number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4930 + ... + 5139.

It is an arithmetic number, because the mean of its divisors is an integer number (120840).

2^1057245 is an apocalyptic number.

1057245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1057245 is a deficient number, since it is larger than the sum of its proper divisors (876195).

1057245 is a wasteful number, since it uses less digits than its factorization.

1057245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10084.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 1057245 is about 1028.2241973422. The cubic root of 1057245 is about 101.8728712215.

The spelling of 1057245 in words is "one million, fifty-seven thousand, two hundred forty-five".