1187448148 has 24 divisors (see below), whose sum is σ = 2096073504. Its totient is φ = 588588000.

The previous prime is 1187448137. The next prime is 1187448151. The reversal of 1187448148 is 8418447811.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1187448098 and 1187448107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306423 + ... + 310273.

It is an arithmetic number, because the mean of its divisors is an integer number (87336396).

Almost surely, 2^1187448148 is an apocalyptic number.

It is an amenable number.

1187448148 is a deficient number, since it is larger than the sum of its proper divisors (908625356).

1187448148 is a wasteful number, since it uses less digits than its factorization.

1187448148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503 (or 4501 counting only the distinct ones).

The product of its digits is 229376, while the sum is 46.

The square root of 1187448148 is about 34459.3695241222. The cubic root of 1187448148 is about 1058.9404827920.

The spelling of 1187448148 in words is "one billion, one hundred eighty-seven million, four hundred forty-eight thousand, one hundred forty-eight".