1111412857 has 8 divisors (see below), whose sum is σ = 1119456000. Its totient is φ = 1103398464.

The previous prime is 1111412839. The next prime is 1111412867. The reversal of 1111412857 is 7582141111.

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

It is a cyclic number.

It is not a de Polignac number, because 1111412857 - 2¹⁵ = 1111380089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111412867) 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, 73644 + ... + 87442.

It is an arithmetic number, because the mean of its divisors is an integer number (139932000).

Almost surely, 2^1111412857 is an apocalyptic number.

It is an amenable number.

1111412857 is a deficient number, since it is larger than the sum of its proper divisors (8043143).

1111412857 is a wasteful number, since it uses less digits than its factorization.

1111412857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14375.

The product of its digits is 2240, while the sum is 31.

The square root of 1111412857 is about 33337.8592144127. The cubic root of 1111412857 is about 1035.8379196286.

Adding to 1111412857 its reverse (7582141111), we get a palindrome (8693553968).

The spelling of 1111412857 in words is "one billion, one hundred eleven million, four hundred twelve thousand, eight hundred fifty-seven".