1220152 has 8 divisors (see below), whose sum is σ = 2287800. Its totient is φ = 610072.

The previous prime is 1220147. The next prime is 1220171. The reversal of 1220152 is 2510221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76252 + ... + 76267.

It is an arithmetic number, because the mean of its divisors is an integer number (285975).

2^1220152 is an apocalyptic number.

It is an amenable number.

1220152 is a deficient number, since it is larger than the sum of its proper divisors (1067648).

1220152 is a wasteful number, since it uses less digits than its factorization.

1220152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152525 (or 152521 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1220152 is about 1104.6049067427. The cubic root of 1220152 is about 106.8574104404.

Adding to 1220152 its reverse (2510221), we get a palindrome (3730373).

It can be divided in two parts, 12 and 20152, that added together give a square (20164 = 142²).

The spelling of 1220152 in words is "one million, two hundred twenty thousand, one hundred fifty-two".