123960420 has 36 divisors (see below), whose sum is σ = 376013820. Its totient is φ = 33056064.

The previous prime is 123960407. The next prime is 123960433. The reversal of 123960420 is 24069321.

123960420 is a `hidden beast` number, since 1 + 2 + 39 + 604 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (123960407) and next prime (123960433).

It can be written as a sum of positive squares in 2 ways, for example, as 65804544 + 58155876 = 8112^2 + 7626^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344155 + ... + 344514.

Almost surely, 2^123960420 is an apocalyptic number.

123960420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123960420 is an abundant number, since it is smaller than the sum of its proper divisors (252053400).

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

123960420 is a wasteful number, since it uses less digits than its factorization.

123960420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688684 (or 688679 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 123960420 is about 11133.7513893566. The cubic root of 123960420 is about 498.6100328968.

The spelling of 123960420 in words is "one hundred twenty-three million, nine hundred sixty thousand, four hundred twenty".