1011132857 has 8 divisors (see below), whose sum is σ = 1183765632. Its totient is φ = 845546400.

The previous prime is 1011132803. The next prime is 1011132869. The reversal of 1011132857 is 7582311101.

1011132857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011132857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011132257) 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, 1761269 + ... + 1761842.

It is an arithmetic number, because the mean of its divisors is an integer number (147970704).

Almost surely, 2^1011132857 is an apocalyptic number.

It is an amenable number.

1011132857 is a deficient number, since it is larger than the sum of its proper divisors (172632775).

1011132857 is an equidigital number, since it uses as much as digits as its factorization.

1011132857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523159.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 1011132857 is about 31798.3153170101. The cubic root of 1011132857 is about 1003.6972657127.

Adding to 1011132857 its reverse (7582311101), we get a palindrome (8593443958).

The spelling of 1011132857 in words is "one billion, eleven million, one hundred thirty-two thousand, eight hundred fifty-seven".