1225050 has 24 divisors (see below), whose sum is σ = 3038496. Its totient is φ = 326640.

The previous prime is 1225019. The next prime is 1225061. The reversal of 1225050 is 505221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3934 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (126604).

2^1225050 is an apocalyptic number.

1225050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225050 is an abundant number, since it is smaller than the sum of its proper divisors (1813446).

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

1225050 is a wasteful number, since it uses less digits than its factorization.

1225050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182 (or 8177 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1225050 is about 1106.8197685260. The cubic root of 1225050 is about 107.0002038020. Note that the first 3 decimals are identical.

The spelling of 1225050 in words is "one million, two hundred twenty-five thousand, fifty".