971223102 has 32 divisors (see below), whose sum is σ = 2175283200. Its totient is φ = 321189624.

The previous prime is 971223059. The next prime is 971223103. The reversal of 971223102 is 201322179.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971223103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63952 + ... + 77667.

It is an arithmetic number, because the mean of its divisors is an integer number (67977600).

Almost surely, 2^971223102 is an apocalyptic number.

971223102 is an abundant number, since it is smaller than the sum of its proper divisors (1204060098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971223102 is a wasteful number, since it uses less digits than its factorization.

971223102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141757 (or 141751 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 971223102 is about 31164.4525381082. The cubic root of 971223102 is about 990.3141886158.

The spelling of 971223102 in words is "nine hundred seventy-one million, two hundred twenty-three thousand, one hundred two".