1245086412 has 12 divisors (see below), whose sum is σ = 2905201656. Its totient is φ = 415028800.

The previous prime is 1245086383. The next prime is 1245086417. The reversal of 1245086412 is 2146805421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1245086417) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51878589 + ... + 51878612.

It is an arithmetic number, because the mean of its divisors is an integer number (242100138).

Almost surely, 2^1245086412 is an apocalyptic number.

1245086412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245086412 is an abundant number, since it is smaller than the sum of its proper divisors (1660115244).

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

1245086412 is a wasteful number, since it uses less digits than its factorization.

1245086412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103757208 (or 103757206 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1245086412 is about 35285.7820091889. The cubic root of 1245086412 is about 1075.8040242763.

The spelling of 1245086412 in words is "one billion, two hundred forty-five million, eighty-six thousand, four hundred twelve".