1057012117 has 4 divisors (see below), whose sum is σ = 1208013856. Its totient is φ = 906010380.

The previous prime is 1057012051. The next prime is 1057012139. The reversal of 1057012117 is 7112107501.

1057012117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1057012117 - 2¹⁹ = 1056487829 is a prime.

It is a super-2 number, since 2×1057012117² = 2234549230969643378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057012091 and 1057012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057012147) 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, 75500859 + ... + 75500872.

It is an arithmetic number, because the mean of its divisors is an integer number (302003464).

Almost surely, 2^1057012117 is an apocalyptic number.

It is an amenable number.

1057012117 is a deficient number, since it is larger than the sum of its proper divisors (151001739).

1057012117 is an equidigital number, since it uses as much as digits as its factorization.

1057012117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151001738.

The product of its (nonzero) digits is 490, while the sum is 25.

The square root of 1057012117 is about 32511.7227627205. The cubic root of 1057012117 is about 1018.6539070943.

Adding to 1057012117 its reverse (7112107501), we get a palindrome (8169119618).

The spelling of 1057012117 in words is "one billion, fifty-seven million, twelve thousand, one hundred seventeen".