3125402123 has 8 divisors (see below), whose sum is σ = 3237099600. Its totient is φ = 3013966368.

The previous prime is 3125402107. The next prime is 3125402149. The reversal of 3125402123 is 3212045213.

3125402123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3125402123 - 2⁴ = 3125402107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3125402023) 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, 40961 + ... + 89042.

It is an arithmetic number, because the mean of its divisors is an integer number (404637450).

Almost surely, 2^3125402123 is an apocalyptic number.

3125402123 is a deficient number, since it is larger than the sum of its proper divisors (111697477).

3125402123 is a wasteful number, since it uses less digits than its factorization.

3125402123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130861.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3125402123 is about 55905.2960192503. The cubic root of 3125402123 is about 1462.0715765387.

Adding to 3125402123 its reverse (3212045213), we get a palindrome (6337447336).

The spelling of 3125402123 in words is "three billion, one hundred twenty-five million, four hundred two thousand, one hundred twenty-three".