1225952 has 48 divisors (see below), whose sum is σ = 2977632. Its totient is φ = 483840.

The previous prime is 1225949. The next prime is 1225963. The reversal of 1225952 is 2595221.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a d-powerful number, because it can be written as 1 + 2¹³ + 2¹⁴ + 5⁶ + 9⁵ + 5⁷ + 2²⁰ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2702 + ... + 3122.

It is an arithmetic number, because the mean of its divisors is an integer number (62034).

2^1225952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488816).

1225952 is an abundant number, since it is smaller than the sum of its proper divisors (1751680).

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

1225952 is a wasteful number, since it uses less digits than its factorization.

1225952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 443 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 1225952 is about 1107.2271672968. The cubic root of 1225952 is about 107.0264586503.

The spelling of 1225952 in words is "one million, two hundred twenty-five thousand, nine hundred fifty-two".