1232267740 has 72 divisors (see below), whose sum is σ = 2872053072. Its totient is φ = 440363520.

The previous prime is 1232267731. The next prime is 1232267741. The reversal of 1232267740 is 477622321.

It is a junction number, because it is equal to n+sod(n) for n = 1232267696 and 1232267705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232267741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4448482 + ... + 4448758.

It is an arithmetic number, because the mean of its divisors is an integer number (39889626).

Almost surely, 2^1232267740 is an apocalyptic number.

1232267740 is a gapful number since it is divisible by the number (10) 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 1232267740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436026536).

1232267740 is an abundant number, since it is smaller than the sum of its proper divisors (1639785332).

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

1232267740 is a wasteful number, since it uses less digits than its factorization.

1232267740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 1232267740 is about 35103.6713179690. The cubic root of 1232267740 is about 1072.0993343293.

The spelling of 1232267740 in words is "one billion, two hundred thirty-two million, two hundred sixty-seven thousand, seven hundred forty".