2150729 has 8 divisors (see below), whose sum is σ = 2480640. Its totient is φ = 1826496.

The previous prime is 2150719. The next prime is 2150741. The reversal of 2150729 is 9270512.

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

It is not a de Polignac number, because 2150729 - 2⁴ = 2150713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2150698 and 2150707.

It is not an unprimeable number, because it can be changed into a prime (2150719) 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, 569 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (310080).

2^2150729 is an apocalyptic number.

It is an amenable number.

2150729 is a deficient number, since it is larger than the sum of its proper divisors (329911).

2150729 is a wasteful number, since it uses less digits than its factorization.

2150729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2150729 is about 1466.5363957297. The cubic root of 2150729 is about 129.0808739111.

The spelling of 2150729 in words is "two million, one hundred fifty thousand, seven hundred twenty-nine".