123651052 has 24 divisors (see below), whose sum is σ = 248693760. Its totient is φ = 52695120.

The previous prime is 123651023. The next prime is 123651053. The reversal of 123651052 is 250156321.

It is not an unprimeable number, because it can be changed into a prime (123651053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7324 + ... + 17347.

It is an arithmetic number, because the mean of its divisors is an integer number (10362240).

Almost surely, 2^123651052 is an apocalyptic number.

It is an amenable number.

123651052 is an abundant number, since it is smaller than the sum of its proper divisors (125042708).

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

123651052 is a wasteful number, since it uses less digits than its factorization.

123651052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24861 (or 24859 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 123651052 is about 11119.8494594127. The cubic root of 123651052 is about 498.1948936915.

The spelling of 123651052 in words is "one hundred twenty-three million, six hundred fifty-one thousand, fifty-two".