1265172 has 48 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 384480.

The previous prime is 1265167. The next prime is 1265177. The reversal of 1265172 is 2715621.

It is an interprime number because it is at equal distance from previous prime (1265167) and next prime (1265177).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6979 + ... + 7157.

It is an arithmetic number, because the mean of its divisors is an integer number (67200).

2^1265172 is an apocalyptic number.

1265172 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 1265172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612800).

1265172 is an abundant number, since it is smaller than the sum of its proper divisors (1960428).

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

1265172 is a wasteful number, since it uses less digits than its factorization.

1265172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 234 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 1265172 is about 1124.7986486478. The cubic root of 1265172 is about 108.1558107702.

The spelling of 1265172 in words is "one million, two hundred sixty-five thousand, one hundred seventy-two".