1071621106 has 16 divisors (see below), whose sum is σ = 1682411328. Its totient is φ = 510958800.

The previous prime is 1071621091. The next prime is 1071621127. The reversal of 1071621106 is 6011261701.

It is a happy number.

It is a super-2 number, since 2×1071621106² = 2296743589649326472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19965 + ... + 50416.

It is an arithmetic number, because the mean of its divisors is an integer number (105150708).

Almost surely, 2^1071621106 is an apocalyptic number.

1071621106 is a deficient number, since it is larger than the sum of its proper divisors (610790222).

1071621106 is a wasteful number, since it uses less digits than its factorization.

1071621106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70737.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1071621106 is about 32735.6244174447. The cubic root of 1071621106 is about 1023.3253975790.

Adding to 1071621106 its reverse (6011261701), we get a palindrome (7082882807).

The spelling of 1071621106 in words is "one billion, seventy-one million, six hundred twenty-one thousand, one hundred six".