1085557054 has 8 divisors (see below), whose sum is σ = 1628723880. Its totient is φ = 542649096.

The previous prime is 1085557043. The next prime is 1085557061. The reversal of 1085557054 is 4507555801.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1085556998 and 1085557016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53869 + ... + 71224.

It is an arithmetic number, because the mean of its divisors is an integer number (203590485).

Almost surely, 2^1085557054 is an apocalyptic number.

1085557054 is a deficient number, since it is larger than the sum of its proper divisors (543166826).

1085557054 is a wasteful number, since it uses less digits than its factorization.

1085557054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129434.

The product of its (nonzero) digits is 140000, while the sum is 40.

The square root of 1085557054 is about 32947.7928547574. The cubic root of 1085557054 is about 1027.7422674704.

The spelling of 1085557054 in words is "one billion, eighty-five million, five hundred fifty-seven thousand, fifty-four".