1241121340 has 24 divisors (see below), whose sum is σ = 2676798432. Its totient is φ = 483030720.

The previous prime is 1241121307. The next prime is 1241121347. The reversal of 1241121340 is 431211421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241121347) 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, 837856 + ... + 839335.

It is an arithmetic number, because the mean of its divisors is an integer number (111533268).

Almost surely, 2^1241121340 is an apocalyptic number.

1241121340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241121340 is an abundant number, since it is smaller than the sum of its proper divisors (1435677092).

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

1241121340 is a wasteful number, since it uses less digits than its factorization.

1241121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677237 (or 1677235 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1241121340 is about 35229.5520834427. The cubic root of 1241121340 is about 1074.6608167349.

Adding to 1241121340 its reverse (431211421), we get a palindrome (1672332761).

The spelling of 1241121340 in words is "one billion, two hundred forty-one million, one hundred twenty-one thousand, three hundred forty".