123970512 has 20 divisors (see below), whose sum is σ = 320257280. Its totient is φ = 41323488.

The previous prime is 123970507. The next prime is 123970541. The reversal of 123970512 is 215079321.

It is a self number, because there is not a number n which added to its sum of digits gives 123970512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291312 + ... + 1291407.

It is an arithmetic number, because the mean of its divisors is an integer number (16012864).

Almost surely, 2^123970512 is an apocalyptic number.

123970512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123970512 is an abundant number, since it is smaller than the sum of its proper divisors (196286768).

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

123970512 is a wasteful number, since it uses less digits than its factorization.

123970512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582730 (or 2582724 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 123970512 is about 11134.2045966472. The cubic root of 123970512 is about 498.6235636563.

The spelling of 123970512 in words is "one hundred twenty-three million, nine hundred seventy thousand, five hundred twelve".