3125142 has 40 divisors (see below), whose sum is σ = 7108992. Its totient is φ = 1026000.

The previous prime is 3125117. The next prime is 3125147. The reversal of 3125142 is 2415213.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16267 + ... + 16457.

Almost surely, 2^3125142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3554496).

3125142 is an abundant number, since it is smaller than the sum of its proper divisors (3983850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3125142 is a wasteful number, since it uses less digits than its factorization.

3125142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 297 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 3125142 is about 1767.8071161753. The cubic root of 3125142 is about 146.2031013332.

The spelling of 3125142 in words is "three million, one hundred twenty-five thousand, one hundred forty-two".