123542002 has 8 divisors (see below), whose sum is σ = 186273756. Its totient is φ = 61450752.

The previous prime is 123541987. The next prime is 123542087. The reversal of 123542002 is 200245321.

It can be written as a sum of positive squares in 2 ways, for example, as 122965921 + 576081 = 11089^2 + 759^2 .

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, 159643 + ... + 160414.

Almost surely, 2^123542002 is an apocalyptic number.

123542002 is a deficient number, since it is larger than the sum of its proper divisors (62731754).

123542002 is a wasteful number, since it uses less digits than its factorization.

123542002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320252.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 123542002 is about 11114.9449841194. The cubic root of 123542002 is about 498.0483950539.

Adding to 123542002 its reverse (200245321), we get a palindrome (323787323).

The spelling of 123542002 in words is "one hundred twenty-three million, five hundred forty-two thousand, two".