3124945 has 8 divisors (see below), whose sum is σ = 3775680. Its totient is φ = 2482800.

The previous prime is 3124943. The next prime is 3124963. The reversal of 3124945 is 5494213.

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

It is not a de Polignac number, because 3124945 - 2¹ = 3124943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3124943) 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, 1315 + ... + 2824.

It is an arithmetic number, because the mean of its divisors is an integer number (471960).

Almost surely, 2^3124945 is an apocalyptic number.

It is an amenable number.

3124945 is a deficient number, since it is larger than the sum of its proper divisors (650735).

3124945 is a wasteful number, since it uses less digits than its factorization.

3124945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295.

The product of its digits is 4320, while the sum is 28.

The square root of 3124945 is about 1767.7513965487. The cubic root of 3124945 is about 146.2000291937.

It can be divided in two parts, 31 and 24945, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 3124945 in words is "three million, one hundred twenty-four thousand, nine hundred forty-five".