124201242040 has 64 divisors (see below), whose sum is σ = 280555106400. Its totient is φ = 49484777472.

The previous prime is 124201242029. The next prime is 124201242073. The reversal of 124201242040 is 40242102421.

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, 21944731 + ... + 21950389.

Almost surely, 2^124201242040 is an apocalyptic number.

124201242040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124201242040 is an abundant number, since it is smaller than the sum of its proper divisors (156353864360).

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

124201242040 is a wasteful number, since it uses less digits than its factorization.

124201242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736 (or 7732 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 124201242040 its reverse (40242102421), we get a palindrome (164443344461).

The spelling of 124201242040 in words is "one hundred twenty-four billion, two hundred one million, two hundred forty-two thousand, forty".