1301025216 has 28 divisors (see below), whose sum is σ = 3442296392. Its totient is φ = 433675008.

The previous prime is 1301025203. The next prime is 1301025241. The reversal of 1301025216 is 6125201031.

It is a super-2 number, since 2×1301025216² = 3385333225335693312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1301025192 and 1301025201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3387895 + ... + 3388278.

Almost surely, 2^1301025216 is an apocalyptic number.

1301025216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1301025216 is an abundant number, since it is smaller than the sum of its proper divisors (2141271176).

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

1301025216 is an equidigital number, since it uses as much as digits as its factorization.

1301025216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776188 (or 6776178 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1301025216 is about 36069.7271406369. The cubic root of 1301025216 is about 1091.6797085584.

Adding to 1301025216 its reverse (6125201031), we get a palindrome (7426226247).

It can be divided in two parts, 13010 and 25216, that added together give a triangular number (38226 = T₂₇₆).

The spelling of 1301025216 in words is "one billion, three hundred one million, twenty-five thousand, two hundred sixteen".