1300021150 has 24 divisors (see below), whose sum is σ = 2474276904. Its totient is φ = 507914400.

The previous prime is 1300021139. The next prime is 1300021183. The reversal of 1300021150 is 511200031.

It is a self number, because there is not a number n which added to its sum of digits gives 1300021150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300181 + ... + 304480.

It is an arithmetic number, because the mean of its divisors is an integer number (103094871).

Almost surely, 2^1300021150 is an apocalyptic number.

1300021150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1300021150 is a deficient number, since it is larger than the sum of its proper divisors (1174255754).

1300021150 is a wasteful number, since it uses less digits than its factorization.

1300021150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604716 (or 604711 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1300021150 is about 36055.8060511757. The cubic root of 1300021150 is about 1091.3988017366.

Adding to 1300021150 its reverse (511200031), we get a palindrome (1811221181).

The spelling of 1300021150 in words is "one billion, three hundred million, twenty-one thousand, one hundred fifty".