1017445212 has 180 divisors, whose sum is σ = 3257866920. Its totient is φ = 275317056.

The previous prime is 1017445171. The next prime is 1017445229. The reversal of 1017445212 is 2125447101.

1017445212 is a `hidden beast` number, since 1 + 0 + 1 + 7 + 445 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 299958 + ... + 303330.

Almost surely, 2^1017445212 is an apocalyptic number.

1017445212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1017445212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628933460).

1017445212 is an abundant number, since it is smaller than the sum of its proper divisors (2240421708).

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

1017445212 is a wasteful number, since it uses less digits than its factorization.

1017445212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422 (or 3404 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1017445212 is about 31897.4170114133. The cubic root of 1017445212 is about 1005.7815795845.

The spelling of 1017445212 in words is "one billion, seventeen million, four hundred forty-five thousand, two hundred twelve".