123899002 has 8 divisors (see below), whose sum is σ = 191843712. Its totient is φ = 59951100.

The previous prime is 123898993. The next prime is 123899011. The reversal of 123899002 is 200998321.

It is an interprime number because it is at equal distance from previous prime (123898993) and next prime (123899011).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999124 + ... + 999247.

It is an arithmetic number, because the mean of its divisors is an integer number (23980464).

Almost surely, 2^123899002 is an apocalyptic number.

123899002 is a deficient number, since it is larger than the sum of its proper divisors (67944710).

123899002 is a wasteful number, since it uses less digits than its factorization.

123899002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998404.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 123899002 is about 11130.9928577823. The cubic root of 123899002 is about 498.5276714193.

The spelling of 123899002 in words is "one hundred twenty-three million, eight hundred ninety-nine thousand, two".