1241287900 has 18 divisors (see below), whose sum is σ = 2693594960. Its totient is φ = 496515120.

The previous prime is 1241287867. The next prime is 1241287969. The reversal of 1241287900 is 97821421.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6206340 + ... + 6206539.

Almost surely, 2^1241287900 is an apocalyptic number.

1241287900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241287900 is an abundant number, since it is smaller than the sum of its proper divisors (1452307060).

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

1241287900 is a wasteful number, since it uses less digits than its factorization.

1241287900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12412893 (or 12412886 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1241287900 is about 35231.9159286009. The cubic root of 1241287900 is about 1074.7088881827.

The spelling of 1241287900 in words is "one billion, two hundred forty-one million, two hundred eighty-seven thousand, nine hundred".