1250661432 has 64 divisors (see below), whose sum is σ = 3294420480. Its totient is φ = 394872192.

The previous prime is 1250661421. The next prime is 1250661439. The reversal of 1250661432 is 2341660521.

It is a self number, because there is not a number n which added to its sum of digits gives 1250661432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250661439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45858 + ... + 67854.

It is an arithmetic number, because the mean of its divisors is an integer number (51475320).

Almost surely, 2^1250661432 is an apocalyptic number.

1250661432 is a gapful number since it is divisible by the number (12) 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 1250661432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647210240).

1250661432 is an abundant number, since it is smaller than the sum of its proper divisors (2043759048).

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

1250661432 is a wasteful number, since it uses less digits than its factorization.

1250661432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22132 (or 22128 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1250661432 is about 35364.6918832895. The cubic root of 1250661432 is about 1077.4073131191.

The spelling of 1250661432 in words is "one billion, two hundred fifty million, six hundred sixty-one thousand, four hundred thirty-two".