1300022120 has 16 divisors (see below), whose sum is σ = 2925049860. Its totient is φ = 520008832.

The previous prime is 1300022117. The next prime is 1300022159. The reversal of 1300022120 is 212200031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1272919684 + 27102436 = 35678^2 + 5206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16250237 + ... + 16250316.

Almost surely, 2^1300022120 is an apocalyptic number.

1300022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300022120 is an abundant number, since it is smaller than the sum of its proper divisors (1625027740).

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

1300022120 is a wasteful number, since it uses less digits than its factorization.

1300022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32500564 (or 32500560 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1300022120 is about 36055.8195025436. The cubic root of 1300022120 is about 1091.3990731826.

Adding to 1300022120 its reverse (212200031), we get a palindrome (1512222151).

The spelling of 1300022120 in words is "one billion, three hundred million, twenty-two thousand, one hundred twenty".