1250928 has 120 divisors (see below), whose sum is σ = 4294368. Its totient is φ = 331776.

The previous prime is 1250923. The next prime is 1250929. The reversal of 1250928 is 8290521.

1250928 = 182² + 183² + ... + 213².

It is a super-2 number, since 2×1250928² = 3129641722368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250923) 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, 17100 + ... + 17172.

2^1250928 is an apocalyptic number.

1250928 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 1250928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147184).

1250928 is an abundant number, since it is smaller than the sum of its proper divisors (3043440).

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

1250928 is a wasteful number, since it uses less digits than its factorization.

1250928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1250928 is about 1118.4489259685. The cubic root of 1250928 is about 107.7483854460.

The spelling of 1250928 in words is "one million, two hundred fifty thousand, nine hundred twenty-eight".