1972211 has 8 divisors (see below), whose sum is σ = 2044704. Its totient is φ = 1900800.

The previous prime is 1972207. The next prime is 1972231. The reversal of 1972211 is 1122791.

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 1972211 - 2² = 1972207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1972231) 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, 5411 + ... + 5763.

It is an arithmetic number, because the mean of its divisors is an integer number (255588).

2^1972211 is an apocalyptic number.

1972211 is a deficient number, since it is larger than the sum of its proper divisors (72493).

1972211 is a wasteful number, since it uses less digits than its factorization.

1972211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541.

The product of its digits is 252, while the sum is 23.

The square root of 1972211 is about 1404.3543000255. The cubic root of 1972211 is about 125.4058488675.

The spelling of 1972211 in words is "one million, nine hundred seventy-two thousand, two hundred eleven".