1551248 has 10 divisors (see below), whose sum is σ = 3005574. Its totient is φ = 775616.

The previous prime is 1551241. The next prime is 1551269. The reversal of 1551248 is 8421551.

It can be written as a sum of positive squares in only one way, i.e., 1507984 + 43264 = 1228^2 + 208^2 .

It is not an unprimeable number, because it can be changed into a prime (1551241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48461 + ... + 48492.

2^1551248 is an apocalyptic number.

It is an amenable number.

1551248 is a deficient number, since it is larger than the sum of its proper divisors (1454326).

1551248 is an equidigital number, since it uses as much as digits as its factorization.

1551248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96961 (or 96955 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 1551248 is about 1245.4910678122. The cubic root of 1551248 is about 115.7605046857.

Adding to 1551248 its reverse (8421551), we get a palindrome (9972799).

The spelling of 1551248 in words is "one million, five hundred fifty-one thousand, two hundred forty-eight".