123000995 has 16 divisors (see below), whose sum is σ = 159186720. Its totient is φ = 90699264.

The previous prime is 123000989. The next prime is 123001031. The reversal of 123000995 is 599000321.

It is a cyclic number.

It is not a de Polignac number, because 123000995 - 2⁴ = 123000979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83576 + ... + 85034.

It is an arithmetic number, because the mean of its divisors is an integer number (9949170).

Almost surely, 2^123000995 is an apocalyptic number.

123000995 is a deficient number, since it is larger than the sum of its proper divisors (36185725).

123000995 is a wasteful number, since it uses less digits than its factorization.

123000995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 123000995 is about 11090.5813643830. The cubic root of 123000995 is about 497.3203243324.

The spelling of 123000995 in words is "one hundred twenty-three million, nine hundred ninety-five", and thus it is an aban number.