1621114112 has 18 divisors (see below), whose sum is σ = 3235896258. Its totient is φ = 810556928.

The previous prime is 1621114097. The next prime is 1621114151. The reversal of 1621114112 is 2114111261.

It can be written as a sum of positive squares in only one way, i.e., 1607689216 + 13424896 = 40096^2 + 3664^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3165983 + ... + 3166494.

Almost surely, 2^1621114112 is an apocalyptic number.

It is an amenable number.

1621114112 is a deficient number, since it is larger than the sum of its proper divisors (1614782146).

1621114112 is an frugal number, since it uses more digits than its factorization.

1621114112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332493 (or 6332479 counting only the distinct ones).

The product of its digits is 96, while the sum is 20.

The square root of 1621114112 is about 40263.0613838541. The cubic root of 1621114112 is about 1174.7294652853.

Adding to 1621114112 its reverse (2114111261), we get a palindrome (3735225373).

The spelling of 1621114112 in words is "one billion, six hundred twenty-one million, one hundred fourteen thousand, one hundred twelve".