1249272 has 24 divisors (see below), whose sum is σ = 3383640. Its totient is φ = 416400.

The previous prime is 1249247. The next prime is 1249273. The reversal of 1249272 is 2729421.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8604 + ... + 8747.

It is an arithmetic number, because the mean of its divisors is an integer number (140985).

2^1249272 is an apocalyptic number.

1249272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1249272 is an abundant number, since it is smaller than the sum of its proper divisors (2134368).

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

1249272 is a wasteful number, since it uses less digits than its factorization.

1249272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17363 (or 17356 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1249272 is about 1117.7083698354. The cubic root of 1249272 is about 107.7008180611.

It can be divided in two parts, 1249 and 272, that added together give a square (1521 = 39²).

The spelling of 1249272 in words is "one million, two hundred forty-nine thousand, two hundred seventy-two".