1055685842 has 8 divisors (see below), whose sum is σ = 1634610432. Its totient is φ = 510815700.

The previous prime is 1055685821. The next prime is 1055685857. The reversal of 1055685842 is 2485865501.

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

It is a super-2 number, since 2×1055685842² = 2228945193998497928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055685793 and 1055685802.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8513534 + ... + 8513657.

It is an arithmetic number, because the mean of its divisors is an integer number (204326304).

Almost surely, 2^1055685842 is an apocalyptic number.

1055685842 is a deficient number, since it is larger than the sum of its proper divisors (578924590).

1055685842 is a wasteful number, since it uses less digits than its factorization.

1055685842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17027224.

The product of its (nonzero) digits is 384000, while the sum is 44.

The square root of 1055685842 is about 32491.3194869030. The cubic root of 1055685842 is about 1018.2276802988.

The spelling of 1055685842 in words is "one billion, fifty-five million, six hundred eighty-five thousand, eight hundred forty-two".