1148478 has 8 divisors (see below), whose sum is σ = 2296968. Its totient is φ = 382824.

The previous prime is 1148453. The next prime is 1148489. The reversal of 1148478 is 8748411.

It is a sphenic number, since it is the product of 3 distinct primes.

1148478 is an admirable number.

It is a super-3 number, since 3×1148478³ = 4544533360032334056, which contains 333 as substring.

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, 95701 + ... + 95712.

It is an arithmetic number, because the mean of its divisors is an integer number (287121).

2^1148478 is an apocalyptic number.

1148478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1148478 is a wasteful number, since it uses less digits than its factorization.

1148478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191418.

The product of its digits is 7168, while the sum is 33.

The square root of 1148478 is about 1071.6706583648. The cubic root of 1148478 is about 104.7227151003.

The spelling of 1148478 in words is "one million, one hundred forty-eight thousand, four hundred seventy-eight".