3123150 has 48 divisors (see below), whose sum is σ = 7928064. Its totient is φ = 813280.

The previous prime is 3123149. The next prime is 3123151. The reversal of 3123150 is 513213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3123149) and next prime (3123151).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6829 + ... + 7271.

It is an arithmetic number, because the mean of its divisors is an integer number (165168).

Almost surely, 2^3123150 is an apocalyptic number.

3123150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3964032).

3123150 is an abundant number, since it is smaller than the sum of its proper divisors (4804914).

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

3123150 is a wasteful number, since it uses less digits than its factorization.

3123150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 3123150 is about 1767.2436164830. The cubic root of 3123150 is about 146.1720309073.

Adding to 3123150 its reverse (513213), we get a palindrome (3636363).

The spelling of 3123150 in words is "three million, one hundred twenty-three thousand, one hundred fifty".