1240100120 has 64 divisors (see below), whose sum is σ = 3193404480. Its totient is φ = 424567296.

The previous prime is 1240100111. The next prime is 1240100137. The reversal of 1240100120 is 210010421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220382 + ... + 225938.

It is an arithmetic number, because the mean of its divisors is an integer number (49896945).

Almost surely, 2^1240100120 is an apocalyptic number.

1240100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240100120 is an abundant number, since it is smaller than the sum of its proper divisors (1953304360).

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

1240100120 is a wasteful number, since it uses less digits than its factorization.

1240100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6372 (or 6368 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1240100120 is about 35215.0553030944. The cubic root of 1240100120 is about 1074.3659848956.

Adding to 1240100120 its reverse (210010421), we get a palindrome (1450110541).

The spelling of 1240100120 in words is "one billion, two hundred forty million, one hundred thousand, one hundred twenty".