1209952 has 12 divisors (see below), whose sum is σ = 2382156. Its totient is φ = 604960.

The previous prime is 1209947. The next prime is 1209959. The reversal of 1209952 is 2599021.

It is a self number, because there is not a number n which added to its sum of digits gives 1209952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18874 + ... + 18937.

It is an arithmetic number, because the mean of its divisors is an integer number (198513).

2^1209952 is an apocalyptic number.

It is an amenable number.

1209952 is a deficient number, since it is larger than the sum of its proper divisors (1172204).

1209952 is an equidigital number, since it uses as much as digits as its factorization.

1209952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37821 (or 37813 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1209952 is about 1099.9781816018. The cubic root of 1209952 is about 106.5588145972.

The spelling of 1209952 in words is "one million, two hundred nine thousand, nine hundred fifty-two".