1206701648 has 10 divisors (see below), whose sum is σ = 2337984474. Its totient is φ = 603350816.

The previous prime is 1206701603. The next prime is 1206701651. The reversal of 1206701648 is 8461076021.

It can be written as a sum of positive squares in only one way, i.e., 932203024 + 274498624 = 30532^2 + 16568^2 .

It is a super-2 number, since 2×1206701648² = 2912257734571831808, 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, 37709411 + ... + 37709442.

Almost surely, 2^1206701648 is an apocalyptic number.

It is an amenable number.

1206701648 is a deficient number, since it is larger than the sum of its proper divisors (1131282826).

1206701648 is an equidigital number, since it uses as much as digits as its factorization.

1206701648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75418861 (or 75418855 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1206701648 is about 34737.6114319911. The cubic root of 1206701648 is about 1064.6331101196.

Adding to 1206701648 its reverse (8461076021), we get a palindrome (9667777669).

The spelling of 1206701648 in words is "one billion, two hundred six million, seven hundred one thousand, six hundred forty-eight".