1250914428 has 84 divisors (see below), whose sum is σ = 3362522688. Its totient is φ = 406762560.

The previous prime is 1250914421. The next prime is 1250914433. The reversal of 1250914428 is 8244190521.

1250914428 is a `hidden beast` number, since 1 + 2 + 509 + 144 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1250914392 and 1250914401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250914421) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 114325 + ... + 124787.

It is an arithmetic number, because the mean of its divisors is an integer number (40030032).

Almost surely, 2^1250914428 is an apocalyptic number.

1250914428 is a gapful number since it is divisible by the number (18) 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 1250914428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681261344).

1250914428 is an abundant number, since it is smaller than the sum of its proper divisors (2111608260).

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

1250914428 is a wasteful number, since it uses less digits than its factorization.

1250914428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526 (or 10509 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1250914428 is about 35368.2686599161. The cubic root of 1250914428 is about 1077.4799577095.

The spelling of 1250914428 in words is "one billion, two hundred fifty million, nine hundred fourteen thousand, four hundred twenty-eight".