1487901 has 4 divisors (see below), whose sum is σ = 1983872. Its totient is φ = 991932.

The previous prime is 1487887. The next prime is 1487917. The reversal of 1487901 is 1097841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1487901 - 2⁹ = 1487389 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487951) 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 3 ways as a sum of consecutive naturals, for example, 247981 + ... + 247986.

It is an arithmetic number, because the mean of its divisors is an integer number (495968).

2^1487901 is an apocalyptic number.

It is an amenable number.

1487901 is a deficient number, since it is larger than the sum of its proper divisors (495971).

1487901 is an equidigital number, since it uses as much as digits as its factorization.

1487901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495970.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1487901 is about 1219.7954746596. The cubic root of 1487901 is about 114.1628175187.

The spelling of 1487901 in words is "one million, four hundred eighty-seven thousand, nine hundred one".