1057212 has 60 divisors (see below), whose sum is σ = 2988216. Its totient is φ = 324000.

The previous prime is 1057183. The next prime is 1057219. The reversal of 1057212 is 2127501.

It is a super-2 number, since 2×1057212² = 2235394425888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057219) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4087 + ... + 4337.

2^1057212 is an apocalyptic number.

1057212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494108).

1057212 is an abundant number, since it is smaller than the sum of its proper divisors (1931004).

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

1057212 is a wasteful number, since it uses less digits than its factorization.

1057212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1057212 is about 1028.2081501330. The cubic root of 1057212 is about 101.8718112844.

The spelling of 1057212 in words is "one million, fifty-seven thousand, two hundred twelve".