123912070 has 16 divisors (see below), whose sum is σ = 230733360. Its totient is φ = 47855584.

The previous prime is 123912067. The next prime is 123912073. The reversal of 123912070 is 70219321.

It is an interprime number because it is at equal distance from previous prime (123912067) and next prime (123912073).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123912073) 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, 213352 + ... + 213931.

It is an arithmetic number, because the mean of its divisors is an integer number (14420835).

Almost surely, 2^123912070 is an apocalyptic number.

123912070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123912070 is a deficient number, since it is larger than the sum of its proper divisors (106821290).

123912070 is a wasteful number, since it uses less digits than its factorization.

123912070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427319.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 123912070 is about 11131.5798519348. The cubic root of 123912070 is about 498.5451978736.

The spelling of 123912070 in words is "one hundred twenty-three million, nine hundred twelve thousand, seventy".