1148407 has 4 divisors (see below), whose sum is σ = 1236760. Its totient is φ = 1060056.

The previous prime is 1148387. The next prime is 1148437. The reversal of 1148407 is 7048411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1148407 - 2¹⁹ = 624119 is a prime.

It is an Ulam number.

It is a Duffinian number.

1148407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44157 + ... + 44182.

It is an arithmetic number, because the mean of its divisors is an integer number (309190).

2^1148407 is an apocalyptic number.

1148407 is a deficient number, since it is larger than the sum of its proper divisors (88353).

1148407 is an equidigital number, since it uses as much as digits as its factorization.

1148407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88352.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1148407 is about 1071.6375320042. The cubic root of 1148407 is about 104.7205570366.

The spelling of 1148407 in words is "one million, one hundred forty-eight thousand, four hundred seven".