1085018724 has 72 divisors (see below), whose sum is σ = 2841017088. Its totient is φ = 348788160.

The previous prime is 1085018723. The next prime is 1085018729. The reversal of 1085018724 is 4278105801.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1085018723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352239 + ... + 355305.

Almost surely, 2^1085018724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085018724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1420508544).

1085018724 is an abundant number, since it is smaller than the sum of its proper divisors (1755998364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1085018724 is a wasteful number, since it uses less digits than its factorization.

1085018724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1085018724 is about 32939.6224022073. The cubic root of 1085018724 is about 1027.5723528712.

The spelling of 1085018724 in words is "one billion, eighty-five million, eighteen thousand, seven hundred twenty-four".