1086154861 has 8 divisors (see below), whose sum is σ = 1185879744. Its totient is φ = 986593920.

The previous prime is 1086154793. The next prime is 1086154891. The reversal of 1086154861 is 1684516801.

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 1086154861 - 2⁷ = 1086154733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086154891) 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, 26916 + ... + 53821.

It is an arithmetic number, because the mean of its divisors is an integer number (148234968).

Almost surely, 2^1086154861 is an apocalyptic number.

1086154861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1086154861 is a deficient number, since it is larger than the sum of its proper divisors (99724883).

1086154861 is a wasteful number, since it uses less digits than its factorization.

1086154861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81971.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1086154861 is about 32956.8636402192. The cubic root of 1086154861 is about 1027.9308891474.

The spelling of 1086154861 in words is "one billion, eighty-six million, one hundred fifty-four thousand, eight hundred sixty-one".