1085480921 has 8 divisors (see below), whose sum is σ = 1240761984. Its totient is φ = 930252960.

The previous prime is 1085480917. The next prime is 1085480939. The reversal of 1085480921 is 1290845801.

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

It is not a de Polignac number, because 1085480921 - 2² = 1085480917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085480941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51836 + ... + 69698.

It is an arithmetic number, because the mean of its divisors is an integer number (155095248).

Almost surely, 2^1085480921 is an apocalyptic number.

It is an amenable number.

1085480921 is a deficient number, since it is larger than the sum of its proper divisors (155281063).

1085480921 is an equidigital number, since it uses as much as digits as its factorization.

1085480921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26551.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 1085480921 is about 32946.6374763799. The cubic root of 1085480921 is about 1027.7182408102.

The spelling of 1085480921 in words is "one billion, eighty-five million, four hundred eighty thousand, nine hundred twenty-one".