123970845 has 8 divisors (see below), whose sum is σ = 198353376. Its totient is φ = 66117776.

The previous prime is 123970843. The next prime is 123970867. The reversal of 123970845 is 548079321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123970845 - 2¹ = 123970843 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123970843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4132347 + ... + 4132376.

It is an arithmetic number, because the mean of its divisors is an integer number (24794172).

Almost surely, 2^123970845 is an apocalyptic number.

123970845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123970845 is a deficient number, since it is larger than the sum of its proper divisors (74382531).

123970845 is an equidigital number, since it uses as much as digits as its factorization.

123970845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8264731.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 123970845 is about 11134.2195505567. The cubic root of 123970845 is about 498.6240101106.

The spelling of 123970845 in words is "one hundred twenty-three million, nine hundred seventy thousand, eight hundred forty-five".