1301630530 has 32 divisors (see below), whose sum is σ = 2474141760. Its totient is φ = 491670720.

The previous prime is 1301630509. The next prime is 1301630537. The reversal of 1301630530 is 350361031.

It is not an unprimeable number, because it can be changed into a prime (1301630537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49425 + ... + 71035.

It is an arithmetic number, because the mean of its divisors is an integer number (77316930).

Almost surely, 2^1301630530 is an apocalyptic number.

1301630530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301630530 is a deficient number, since it is larger than the sum of its proper divisors (1172511230).

1301630530 is a wasteful number, since it uses less digits than its factorization.

1301630530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21954.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1301630530 is about 36078.1170517531. The cubic root of 1301630530 is about 1091.8489869979.

Adding to 1301630530 its reverse (350361031), we get a palindrome (1651991561).

The spelling of 1301630530 in words is "one billion, three hundred one million, six hundred thirty thousand, five hundred thirty".