1241937640 has 32 divisors (see below), whose sum is σ = 2815702560. Its totient is φ = 492980800.

The previous prime is 1241937629. The next prime is 1241937643. The reversal of 1241937640 is 467391421.

It is a self number, because there is not a number n which added to its sum of digits gives 1241937640.

It is not an unprimeable number, because it can be changed into a prime (1241937643) 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, 113266 + ... + 123745.

It is an arithmetic number, because the mean of its divisors is an integer number (87990705).

Almost surely, 2^1241937640 is an apocalyptic number.

1241937640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241937640 is an abundant number, since it is smaller than the sum of its proper divisors (1573764920).

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

1241937640 is a wasteful number, since it uses less digits than its factorization.

1241937640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237153 (or 237149 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1241937640 is about 35241.1356230187. The cubic root of 1241937640 is about 1074.8963707569.

The spelling of 1241937640 in words is "one billion, two hundred forty-one million, nine hundred thirty-seven thousand, six hundred forty".