1551148 has 12 divisors (see below), whose sum is σ = 2874312. Its totient is φ = 729920.

The previous prime is 1551133. The next prime is 1551157. The reversal of 1551148 is 8411551.

It is a happy 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, 11338 + ... + 11473.

It is an arithmetic number, because the mean of its divisors is an integer number (239526).

2^1551148 is an apocalyptic number.

It is an amenable number.

1551148 is a deficient number, since it is larger than the sum of its proper divisors (1323164).

1551148 is a wasteful number, since it uses less digits than its factorization.

1551148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22832 (or 22830 counting only the distinct ones).

The product of its digits is 800, while the sum is 25.

The square root of 1551148 is about 1245.4509223570. The cubic root of 1551148 is about 115.7580171618.

Adding to 1551148 its reverse (8411551), we get a palindrome (9962699).

The spelling of 1551148 in words is "one million, five hundred fifty-one thousand, one hundred forty-eight".