1231752 has 32 divisors (see below), whose sum is σ = 3261600. Its totient is φ = 386304.

The previous prime is 1231733. The next prime is 1231753. The reversal of 1231752 is 2571321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102 + ... + 1917.

It is an arithmetic number, because the mean of its divisors is an integer number (101925).

2^1231752 is an apocalyptic number.

1231752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231752 is an abundant number, since it is smaller than the sum of its proper divisors (2029848).

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

1231752 is a wasteful number, since it uses less digits than its factorization.

1231752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045 (or 3041 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 1231752 is about 1109.8432321729. The cubic root of 1231752 is about 107.1949745175.

It can be divided in two parts, 123 and 1752, that multiplied together give a triangular number (215496 = T₆₅₆).

The spelling of 1231752 in words is "one million, two hundred thirty-one thousand, seven hundred fifty-two".