1341212240 has 40 divisors (see below), whose sum is σ = 3134025600. Its totient is φ = 533782656.

The previous prime is 1341212209. The next prime is 1341212267. The reversal of 1341212240 is 422121431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26204 + ... + 58043.

It is an arithmetic number, because the mean of its divisors is an integer number (78350640).

Almost surely, 2^1341212240 is an apocalyptic number.

1341212240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1341212240 is an abundant number, since it is smaller than the sum of its proper divisors (1792813360).

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

1341212240 is a wasteful number, since it uses less digits than its factorization.

1341212240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84459 (or 84453 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1341212240 is about 36622.5646289279. The cubic root of 1341212240 is about 1102.8061246820.

Adding to 1341212240 its reverse (422121431), we get a palindrome (1763333671).

It can be divided in two parts, 13412 and 12240, that added together give a palindrome (25652).

The spelling of 1341212240 in words is "one billion, three hundred forty-one million, two hundred twelve thousand, two hundred forty".