1245611682 has 168 divisors, whose sum is σ = 3334192128. Its totient is φ = 341696880.

The previous prime is 1245611677. The next prime is 1245611701. The reversal of 1245611682 is 2861165421.

It is a happy number.

1245611682 is a `hidden beast` number, since 1 + 2 + 4 + 561 + 16 + 82 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 9807903 + ... + 9808029.

Almost surely, 2^1245611682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245611682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1667096064).

1245611682 is an abundant number, since it is smaller than the sum of its proper divisors (2088580446).

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

1245611682 is an equidigital number, since it uses as much as digits as its factorization.

1245611682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 170 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1245611682 is about 35293.2243072236. The cubic root of 1245611682 is about 1075.9552877087.

The spelling of 1245611682 in words is "one billion, two hundred forty-five million, six hundred eleven thousand, six hundred eighty-two".