1497685123980 has 144 divisors (see below), whose sum is σ = 4976081903520. Its totient is φ = 362927867904.

The previous prime is 1497685123973. The next prime is 1497685124003. The reversal of 1497685123980 is 893215867941.

1497685123980 is a `hidden beast` number, since 1 + 4 + 9 + 7 + 6 + 8 + 512 + 39 + 80 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8349874 + ... + 8527353.

It is an arithmetic number, because the mean of its divisors is an integer number (34556124330).

It is a 1-persistent number, because it is pandigital, but 2⋅1497685123980 = 2995370247960 is not.

Almost surely, 2^{1497685123980} is an apocalyptic number.

1497685123980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1497685123980 is an abundant number, since it is smaller than the sum of its proper divisors (3478396779540).

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

1497685123980 is a wasteful number, since it uses less digits than its factorization.

1497685123980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16877288 (or 16877283 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 1497685123980 in words is "one trillion, four hundred ninety-seven billion, six hundred eighty-five million, one hundred twenty-three thousand, nine hundred eighty".