1013971 has 8 divisors (see below), whose sum is σ = 1187424. Its totient is φ = 847680.

The previous prime is 1013933. The next prime is 1013993. The reversal of 1013971 is 1793101.

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

It is a cyclic number.

It is not a de Polignac number, because 1013971 - 2⁷ = 1013843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013921) 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 7 ways as a sum of consecutive naturals, for example, 1480 + ... + 2053.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

2^1013971 is an apocalyptic number.

1013971 is a deficient number, since it is larger than the sum of its proper divisors (173453).

1013971 is an equidigital number, since it uses as much as digits as its factorization.

1013971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1013971 is about 1006.9612703575. The cubic root of 1013971 is about 100.4635479131.

The spelling of 1013971 in words is "one million, thirteen thousand, nine hundred seventy-one".