1057211142 has 16 divisors (see below), whose sum is σ = 2277070320. Its totient is φ = 325295712.

The previous prime is 1057211093. The next prime is 1057211143. The reversal of 1057211142 is 2411127501.

It is a super-2 number, since 2×1057211142² = 2235390797537888328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057211143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6776917 + ... + 6777072.

It is an arithmetic number, because the mean of its divisors is an integer number (142316895).

Almost surely, 2^1057211142 is an apocalyptic number.

1057211142 is an abundant number, since it is smaller than the sum of its proper divisors (1219859178).

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

1057211142 is a wasteful number, since it uses less digits than its factorization.

1057211142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13554007.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1057211142 is about 32514.7834376918. The cubic root of 1057211142 is about 1018.7178372573.

Adding to 1057211142 its reverse (2411127501), we get a palindrome (3468338643).

The spelling of 1057211142 in words is "one billion, fifty-seven million, two hundred eleven thousand, one hundred forty-two".