1265250 has 64 divisors (see below), whose sum is σ = 3624192. Its totient is φ = 288000.

The previous prime is 1265249. The next prime is 1265273. The reversal of 1265250 is 525621.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5130 + ... + 5370.

It is an arithmetic number, because the mean of its divisors is an integer number (56628).

2^1265250 is an apocalyptic number.

1265250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1265250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812096).

1265250 is an abundant number, since it is smaller than the sum of its proper divisors (2358942).

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

1265250 is a wasteful number, since it uses less digits than its factorization.

1265250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1265250 is about 1124.8333209858. The cubic root of 1265250 is about 108.1580333876.

The spelling of 1265250 in words is "one million, two hundred sixty-five thousand, two hundred fifty".