1210971 has 8 divisors (see below), whose sum is σ = 1630720. Its totient is φ = 799272.

The previous prime is 1210967. The next prime is 1210987. The reversal of 1210971 is 1790121.

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

It is not a de Polignac number, because 1210971 - 2² = 1210967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210921) 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, 1651 + ... + 2268.

It is an arithmetic number, because the mean of its divisors is an integer number (203840).

2^1210971 is an apocalyptic number.

1210971 is a deficient number, since it is larger than the sum of its proper divisors (419749).

1210971 is a wasteful number, since it uses less digits than its factorization.

1210971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 1210971 is about 1100.4412751256. The cubic root of 1210971 is about 106.5887201813.

The spelling of 1210971 in words is "one million, two hundred ten thousand, nine hundred seventy-one".