1085215190 has 8 divisors (see below), whose sum is σ = 1953387360. Its totient is φ = 434086072.

The previous prime is 1085215189. The next prime is 1085215211. The reversal of 1085215190 is 915125801.

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

It is a super-2 number, since 2×1085215190² = 2355384017213472200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54260750 + ... + 54260769.

It is an arithmetic number, because the mean of its divisors is an integer number (244173420).

Almost surely, 2^1085215190 is an apocalyptic number.

1085215190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085215190 is a deficient number, since it is larger than the sum of its proper divisors (868172170).

1085215190 is a wasteful number, since it uses less digits than its factorization.

1085215190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108521526.

The product of its (nonzero) digits is 3600, while the sum is 32.

The square root of 1085215190 is about 32942.6044811275. The cubic root of 1085215190 is about 1027.6343704940.

The spelling of 1085215190 in words is "one billion, eighty-five million, two hundred fifteen thousand, one hundred ninety".