1201311230 has 16 divisors (see below), whose sum is σ = 2471268960. Its totient is φ = 411878112.

The previous prime is 1201311217. The next prime is 1201311257. The reversal of 1201311230 is 321131021.

It is a super-2 number, since 2×1201311230² = 2886297342648225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8580725 + ... + 8580864.

It is an arithmetic number, because the mean of its divisors is an integer number (154454310).

Almost surely, 2^1201311230 is an apocalyptic number.

1201311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201311230 is an abundant number, since it is smaller than the sum of its proper divisors (1269957730).

1201311230 is a wasteful number, since it uses less digits than its factorization.

1201311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17161603.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1201311230 is about 34659.9369589733. The cubic root of 1201311230 is about 1063.0454810127.

Adding to 1201311230 its reverse (321131021), we get a palindrome (1522442251).

The spelling of 1201311230 in words is "one billion, two hundred one million, three hundred eleven thousand, two hundred thirty".