4261243120 has 120 divisors (see below), whose sum is σ = 10967954256. Its totient is φ = 1534224384.

The previous prime is 4261243117. The next prime is 4261243127. The reversal of 4261243120 is 213421624.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261243127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716479 + ... + 722401.

Almost surely, 2^4261243120 is an apocalyptic number.

4261243120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4261243120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5483977128).

4261243120 is an abundant number, since it is smaller than the sum of its proper divisors (6706711136).

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

4261243120 is a wasteful number, since it uses less digits than its factorization.

4261243120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999 (or 5970 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4261243120 is about 65278.1978917923. The cubic root of 4261243120 is about 1621.2330093747.

Adding to 4261243120 its reverse (213421624), we get a palindrome (4474664744).

The spelling of 4261243120 in words is "four billion, two hundred sixty-one million, two hundred forty-three thousand, one hundred twenty".