1248089012 has 6 divisors (see below), whose sum is σ = 2184155778. Its totient is φ = 624044504.

The previous prime is 1248088993. The next prime is 1248089023. The reversal of 1248089012 is 2109808421.

It can be written as a sum of positive squares in only one way, i.e., 1196191396 + 51897616 = 34586^2 + 7204^2 .

It is a super-2 number, since 2×1248089012² = 3115452363750272288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156011123 + ... + 156011130.

It is an arithmetic number, because the mean of its divisors is an integer number (364025963).

Almost surely, 2^1248089012 is an apocalyptic number.

It is an amenable number.

1248089012 is a deficient number, since it is larger than the sum of its proper divisors (936066766).

1248089012 is a wasteful number, since it uses less digits than its factorization.

1248089012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312022257 (or 312022255 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 1248089012 is about 35328.3032708903. The cubic root of 1248089012 is about 1076.6681185248.

The spelling of 1248089012 in words is "one billion, two hundred forty-eight million, eighty-nine thousand, twelve".