1061022397 has 8 divisors (see below), whose sum is σ = 1090163000. Its totient is φ = 1031906304.

The previous prime is 1061022383. The next prime is 1061022401. The reversal of 1061022397 is 7932201601.

It can be written as a sum of positive squares in 4 ways, for example, as 730837156 + 330185241 = 27034^2 + 18171^2 .

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 1061022397 - 2¹¹ = 1061020349 is a prime.

It is a super-2 number, since 2×1061022397² = 2251537053871251218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061022307) 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, 112729 + ... + 121777.

It is an arithmetic number, because the mean of its divisors is an integer number (136270375).

Almost surely, 2^1061022397 is an apocalyptic number.

It is an amenable number.

1061022397 is a deficient number, since it is larger than the sum of its proper divisors (29140603).

1061022397 is an equidigital number, since it uses as much as digits as its factorization.

1061022397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12255.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1061022397 is about 32573.3387450534. The cubic root of 1061022397 is about 1019.9405312631.

Adding to 1061022397 its reverse (7932201601), we get a palindrome (8993223998).

The spelling of 1061022397 in words is "one billion, sixty-one million, twenty-two thousand, three hundred ninety-seven".