1000068157 has 32 divisors (see below), whose sum is σ = 1147474944. Its totient is φ = 863654400.

The previous prime is 1000068151. The next prime is 1000068191. The reversal of 1000068157 is 7518600001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1000068157 - 2³ = 1000068149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000068151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3257398 + ... + 3257704.

It is an arithmetic number, because the mean of its divisors is an integer number (35858592).

Almost surely, 2^1000068157 is an apocalyptic number.

It is an amenable number.

1000068157 is a deficient number, since it is larger than the sum of its proper divisors (147406787).

1000068157 is a wasteful number, since it uses less digits than its factorization.

1000068157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1000068157 is about 31623.8542401144. The cubic root of 1000068157 is about 1000.0227184839.

Adding to 1000068157 its reverse (7518600001), we get a palindrome (8518668158).

The spelling of 1000068157 in words is "one billion, sixty-eight thousand, one hundred fifty-seven".