1331201460 has 24 divisors (see below), whose sum is σ = 3727364256. Its totient is φ = 354987040.

The previous prime is 1331201453. The next prime is 1331201467. The reversal of 1331201460 is 641021331.

It is an interprime number because it is at equal distance from previous prime (1331201453) and next prime (1331201467).

It is a super-2 number, since 2×1331201460² = 3544194654212263200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331201467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11093286 + ... + 11093405.

It is an arithmetic number, because the mean of its divisors is an integer number (155306844).

Almost surely, 2^1331201460 is an apocalyptic number.

1331201460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331201460 is an abundant number, since it is smaller than the sum of its proper divisors (2396162796).

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

1331201460 is a wasteful number, since it uses less digits than its factorization.

1331201460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22186703 (or 22186701 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1331201460 is about 36485.6336110530. The cubic root of 1331201460 is about 1100.0554958227.

Adding to 1331201460 its reverse (641021331), we get a palindrome (1972222791).

The spelling of 1331201460 in words is "one billion, three hundred thirty-one million, two hundred one thousand, four hundred sixty".