1494731 has 4 divisors (see below), whose sum is σ = 1708272. Its totient is φ = 1281192.

The previous prime is 1494719. The next prime is 1494739. The reversal of 1494731 is 1374941.

1494731 = T₆₅₀ + T₆₅₁ + ... + T₆₅₆.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1494731 is a prime.

It is a super-2 number, since 2×1494731² = 4468441524722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1494694 and 1494703.

It is not an unprimeable number, because it can be changed into a prime (1494739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106760 + ... + 106773.

It is an arithmetic number, because the mean of its divisors is an integer number (427068).

2^1494731 is an apocalyptic number.

1494731 is a deficient number, since it is larger than the sum of its proper divisors (213541).

1494731 is an equidigital number, since it uses as much as digits as its factorization.

1494731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213540.

The product of its digits is 3024, while the sum is 29.

The square root of 1494731 is about 1222.5919188347. The cubic root of 1494731 is about 114.3372336915.

The spelling of 1494731 in words is "one million, four hundred ninety-four thousand, seven hundred thirty-one".