1299122010 has 64 divisors (see below), whose sum is σ = 3476856960. Its totient is φ = 345179520.

The previous prime is 1299122009. The next prime is 1299122029. The reversal of 1299122010 is 102219921.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67309 + ... + 84431.

It is an arithmetic number, because the mean of its divisors is an integer number (54325890).

Almost surely, 2^1299122010 is an apocalyptic number.

1299122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1299122010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738428480).

1299122010 is an abundant number, since it is smaller than the sum of its proper divisors (2177734950).

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

1299122010 is a wasteful number, since it uses less digits than its factorization.

1299122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17420 (or 17414 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 1299122010 is about 36043.3351675452. The cubic root of 1299122010 is about 1091.1471272044.

The spelling of 1299122010 in words is "one billion, two hundred ninety-nine million, one hundred twenty-two thousand, ten".