1085215130 has 16 divisors (see below), whose sum is σ = 1955102184. Its totient is φ = 433704960.

The previous prime is 1085215129. The next prime is 1085215189. The reversal of 1085215130 is 315125801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 939361201 + 145853929 = 30649^2 + 12077^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1085215130.

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 7 ways as a sum of consecutive naturals, for example, 35531 + ... + 58590.

Almost surely, 2^1085215130 is an apocalyptic number.

1085215130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085215130 is a deficient number, since it is larger than the sum of its proper divisors (869887054).

1085215130 is a wasteful number, since it uses less digits than its factorization.

1085215130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95281.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1085215130 is about 32942.6035704527. The cubic root of 1085215130 is about 1027.6343515552.

The spelling of 1085215130 in words is "one billion, eighty-five million, two hundred fifteen thousand, one hundred thirty".