1299880325 has 12 divisors (see below), whose sum is σ = 1649337888. Its totient is φ = 1015719600.

The previous prime is 1299880303. The next prime is 1299880327. The reversal of 1299880325 is 5230889921.

It is not a de Polignac number, because 1299880325 - 2⁸ = 1299880069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1299880325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299880327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603521 + ... + 605670.

It is an arithmetic number, because the mean of its divisors is an integer number (137444824).

Almost surely, 2^1299880325 is an apocalyptic number.

It is an amenable number.

1299880325 is a deficient number, since it is larger than the sum of its proper divisors (349457563).

1299880325 is a wasteful number, since it uses less digits than its factorization.

1299880325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209244 (or 1209239 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 1299880325 is about 36053.8531227940. The cubic root of 1299880325 is about 1091.3593916633.

The spelling of 1299880325 in words is "one billion, two hundred ninety-nine million, eight hundred eighty thousand, three hundred twenty-five".