1330122990 has 128 divisors (see below), whose sum is σ = 3876802560. Its totient is φ = 285562368.

The previous prime is 1330122979. The next prime is 1330123001. The reversal of 1330122990 is 992210331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1330122979) and next prime (1330123001).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222379 + ... + 228281.

It is an arithmetic number, because the mean of its divisors is an integer number (30287520).

Almost surely, 2^1330122990 is an apocalyptic number.

1330122990 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 1330122990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1938401280).

1330122990 is an abundant number, since it is smaller than the sum of its proper divisors (2546679570).

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

1330122990 is a wasteful number, since it uses less digits than its factorization.

1330122990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1330122990 is about 36470.8512376665. The cubic root of 1330122990 is about 1099.7583463652.

The spelling of 1330122990 in words is "one billion, three hundred thirty million, one hundred twenty-two thousand, nine hundred ninety".