1301221230 has 64 divisors (see below), whose sum is σ = 3153798720. Its totient is φ = 343581696.

The previous prime is 1301221211. The next prime is 1301221241. The reversal of 1301221230 is 321221031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2122404 + ... + 2123016.

It is an arithmetic number, because the mean of its divisors is an integer number (49278105).

Almost surely, 2^1301221230 is an apocalyptic number.

1301221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301221230 is an abundant number, since it is smaller than the sum of its proper divisors (1852577490).

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

1301221230 is a wasteful number, since it uses less digits than its factorization.

1301221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1301221230 is about 36072.4441922085. Note that the first 3 decimals coincide. The cubic root of 1301221230 is about 1091.7345303913.

Adding to 1301221230 its reverse (321221031), we get a palindrome (1622442261).

The spelling of 1301221230 in words is "one billion, three hundred one million, two hundred twenty-one thousand, two hundred thirty".