123470772 has 24 divisors (see below), whose sum is σ = 288515136. Its totient is φ = 41097408.

The previous prime is 123470741. The next prime is 123470791. The reversal of 123470772 is 277074321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648 + ... + 15800.

It is an arithmetic number, because the mean of its divisors is an integer number (12021464).

Almost surely, 2^123470772 is an apocalyptic number.

123470772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123470772 is an abundant number, since it is smaller than the sum of its proper divisors (165044364).

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

123470772 is a wasteful number, since it uses less digits than its factorization.

123470772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14887 (or 14885 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 123470772 is about 11111.7402777423. The cubic root of 123470772 is about 497.9526575534.

The spelling of 123470772 in words is "one hundred twenty-three million, four hundred seventy thousand, seven hundred seventy-two".