123861070 has 16 divisors (see below), whose sum is σ = 228135600. Its totient is φ = 48392064.

The previous prime is 123861029. The next prime is 123861077. The reversal of 123861070 is 70168321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123861077) 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, 143595 + ... + 144454.

It is an arithmetic number, because the mean of its divisors is an integer number (14258475).

Almost surely, 2^123861070 is an apocalyptic number.

123861070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123861070 is a deficient number, since it is larger than the sum of its proper divisors (104274530).

123861070 is a wasteful number, since it uses less digits than its factorization.

123861070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288099.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 123861070 is about 11129.2888362195. The cubic root of 123861070 is about 498.4767910478.

It can be divided in two parts, 12386 and 1070, that added together give a square (13456 = 116²).

The spelling of 123861070 in words is "one hundred twenty-three million, eight hundred sixty-one thousand, seventy".