1972133 has 2 divisors, whose sum is σ = 1972134. Its totient is φ = 1972132.

The previous prime is 1972129. The next prime is 1972147. The reversal of 1972133 is 3312791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1940449 + 31684 = 1393^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1972133 - 2² = 1972129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1972123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986066 + 986067.

It is an arithmetic number, because the mean of its divisors is an integer number (986067).

2^1972133 is an apocalyptic number.

It is an amenable number.

1972133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1972133 is an equidigital number, since it uses as much as digits as its factorization.

1972133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 26.

The square root of 1972133 is about 1404.3265289811. The cubic root of 1972133 is about 125.4041955986.

The spelling of 1972133 in words is "one million, nine hundred seventy-two thousand, one hundred thirty-three".