3129045 has 16 divisors (see below), whose sum is σ = 5029440. Its totient is φ = 1661184.

The previous prime is 3129043. The next prime is 3129059. The reversal of 3129045 is 5409213.

It is not a de Polignac number, because 3129045 - 2¹ = 3129043 is a prime.

It is a super-3 number, since 3×3129045³ = 91908712333631298375, which contains 333 as substring. Note that it is a super-d number also for d = 2.

3129045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4746 + ... + 5364.

It is an arithmetic number, because the mean of its divisors is an integer number (314340).

Almost surely, 2^3129045 is an apocalyptic number.

It is an amenable number.

3129045 is a deficient number, since it is larger than the sum of its proper divisors (1900395).

3129045 is a wasteful number, since it uses less digits than its factorization.

3129045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3129045 is about 1768.9106817474. The cubic root of 3129045 is about 146.2639405223.

The spelling of 3129045 in words is "three million, one hundred twenty-nine thousand, forty-five".