1251552 has 24 divisors (see below), whose sum is σ = 3285576. Its totient is φ = 417152.

The previous prime is 1251533. The next prime is 1251571. The reversal of 1251552 is 2551521.

It is an interprime number because it is at equal distance from previous prime (1251533) and next prime (1251571).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6423 + ... + 6614.

It is an arithmetic number, because the mean of its divisors is an integer number (136899).

2^1251552 is an apocalyptic number.

1251552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1251552 is an abundant number, since it is smaller than the sum of its proper divisors (2034024).

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

1251552 is a wasteful number, since it uses less digits than its factorization.

1251552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13050 (or 13042 counting only the distinct ones).

The product of its digits is 500, while the sum is 21.

The square root of 1251552 is about 1118.7278489427. The cubic root of 1251552 is about 107.7662984983.

The spelling of 1251552 in words is "one million, two hundred fifty-one thousand, five hundred fifty-two".