1341222240 has 96 divisors (see below), whose sum is σ = 4304645856. Its totient is φ = 350904320.

The previous prime is 1341222229. The next prime is 1341222241. The reversal of 1341222240 is 422221431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921 + ... + 51800.

It is an arithmetic number, because the mean of its divisors is an integer number (44840061).

Almost surely, 2^1341222240 is an apocalyptic number.

1341222240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1341222240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2152322928).

1341222240 is an abundant number, since it is smaller than the sum of its proper divisors (2963423616).

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

1341222240 is a wasteful number, since it uses less digits than its factorization.

1341222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52792 (or 52784 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1341222240 is about 36622.7011565231. The cubic root of 1341222240 is about 1102.8088654945.

Adding to 1341222240 its reverse (422221431), we get a palindrome (1763443671).

The spelling of 1341222240 in words is "one billion, three hundred forty-one million, two hundred twenty-two thousand, two hundred forty".