972106 has 4 divisors (see below), whose sum is σ = 1458162. Its totient is φ = 486052.

The previous prime is 972091. The next prime is 972113. The reversal of 972106 is 601279.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 241081 = 855^2 + 491^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 243025 + ... + 243028.

2⁹⁷²¹⁰⁶ is an apocalyptic number.

972106 is a deficient number, since it is larger than the sum of its proper divisors (486056).

972106 is a wasteful number, since it uses less digits than its factorization.

972106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486055.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 972106 is about 985.9543599985. The cubic root of 972106 is about 99.0614182031.

The spelling of 972106 in words is "nine hundred seventy-two thousand, one hundred six".