123771460 has 48 divisors (see below), whose sum is σ = 266499072. Its totient is φ = 48272000.

The previous prime is 123771451. The next prime is 123771463. The reversal of 123771460 is 64177321.

It is not an unprimeable number, because it can be changed into a prime (123771463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142989 + ... + 143851.

It is an arithmetic number, because the mean of its divisors is an integer number (5552064).

Almost surely, 2^123771460 is an apocalyptic number.

123771460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123771460 is an abundant number, since it is smaller than the sum of its proper divisors (142727612).

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

123771460 is a wasteful number, since it uses less digits than its factorization.

123771460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 123771460 is about 11125.2622441001. The cubic root of 123771460 is about 498.3565507341.

The spelling of 123771460 in words is "one hundred twenty-three million, seven hundred seventy-one thousand, four hundred sixty".