1057273212 has 24 divisors (see below), whose sum is σ = 2501718912. Its totient is φ = 347460400.

The previous prime is 1057273211. The next prime is 1057273241. The reversal of 1057273212 is 2123727501.

It is a super-2 number, since 2×1057273212² = 2235653289625593888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057273212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057273211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619614 + ... + 621317.

It is an arithmetic number, because the mean of its divisors is an integer number (104238288).

Almost surely, 2^1057273212 is an apocalyptic number.

1057273212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1057273212 is an abundant number, since it is smaller than the sum of its proper divisors (1444445700).

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

1057273212 is a wasteful number, since it uses less digits than its factorization.

1057273212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241009 (or 1241007 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 1057273212 is about 32515.7379125863. The cubic root of 1057273212 is about 1018.7377735394.

The spelling of 1057273212 in words is "one billion, fifty-seven million, two hundred seventy-three thousand, two hundred twelve".