1020211197 has 8 divisors (see below), whose sum is σ = 1360941120. Its totient is φ = 679811040.

The previous prime is 1020211169. The next prime is 1020211217. The reversal of 1020211197 is 7911120201.

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

It is not a de Polignac number, because 1020211197 - 2⁶ = 1020211133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020211117) 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, 75129 + ... + 87662.

It is an arithmetic number, because the mean of its divisors is an integer number (170117640).

Almost surely, 2^1020211197 is an apocalyptic number.

It is an amenable number.

1020211197 is a deficient number, since it is larger than the sum of its proper divisors (340729923).

1020211197 is a wasteful number, since it uses less digits than its factorization.

1020211197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164883.

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 1020211197 is about 31940.7450914972. The cubic root of 1020211197 is about 1006.6921804833.

Adding to 1020211197 its reverse (7911120201), we get a palindrome (8931331398).

The spelling of 1020211197 in words is "one billion, twenty million, two hundred eleven thousand, one hundred ninety-seven".