1241111240 has 32 divisors (see below), whose sum is σ = 2831837760. Its totient is φ = 489451200.

The previous prime is 1241111237. The next prime is 1241111243. The reversal of 1241111240 is 421111421.

It is an interprime number because it is at equal distance from previous prime (1241111237) and next prime (1241111243).

It is a super-2 number, since 2×1241111240² = 3080714220108675200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1241111243) 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 7 ways as a sum of consecutive naturals, for example, 215666 + ... + 221345.

It is an arithmetic number, because the mean of its divisors is an integer number (88494930).

Almost surely, 2^1241111240 is an apocalyptic number.

1241111240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241111240 is an abundant number, since it is smaller than the sum of its proper divisors (1590726520).

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

1241111240 is a wasteful number, since it uses less digits than its factorization.

1241111240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437093 (or 437089 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1241111240 is about 35229.4087375874. The cubic root of 1241111240 is about 1074.6579016013.

Adding to 1241111240 its reverse (421111421), we get a palindrome (1662222661).

The spelling of 1241111240 in words is "one billion, two hundred forty-one million, one hundred eleven thousand, two hundred forty".