1280152 has 8 divisors (see below), whose sum is σ = 2400300. Its totient is φ = 640072.

The previous prime is 1280141. The next prime is 1280159. The reversal of 1280152 is 2510821.

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

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80002 + ... + 80017.

2^1280152 is an apocalyptic number.

It is an amenable number.

1280152 is a deficient number, since it is larger than the sum of its proper divisors (1120148).

1280152 is a wasteful number, since it uses less digits than its factorization.

1280152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160025 (or 160021 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1280152 is about 1131.4380230485. The cubic root of 1280152 is about 108.5810023216.

Adding to 1280152 its reverse (2510821), we get a palindrome (3790973).

The spelling of 1280152 in words is "one million, two hundred eighty thousand, one hundred fifty-two".