1461729 has 8 divisors (see below), whose sum is σ = 1957120. Its totient is φ = 970416.

The previous prime is 1461709. The next prime is 1461731. The reversal of 1461729 is 9271641.

It is a happy number.

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

It is not a de Polignac number, because 1461729 - 2⁵ = 1461697 is a prime.

It is a Duffinian number.

1461729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1461696 and 1461705.

It is not an unprimeable number, because it can be changed into a prime (1461709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (244640).

2^1461729 is an apocalyptic number.

It is an amenable number.

1461729 is a deficient number, since it is larger than the sum of its proper divisors (495391).

1461729 is a wasteful number, since it uses less digits than its factorization.

1461729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039.

The product of its digits is 3024, while the sum is 30.

The square root of 1461729 is about 1209.0198509537. The cubic root of 1461729 is about 113.4894839112.

The spelling of 1461729 in words is "one million, four hundred sixty-one thousand, seven hundred twenty-nine".