1148251 has 4 divisors (see below), whose sum is σ = 1236592. Its totient is φ = 1059912.

The previous prime is 1148249. The next prime is 1148261. The reversal of 1148251 is 1528411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1528411 = 643 ⋅2377.

It is a cyclic number.

It is not a de Polignac number, because 1148251 - 2¹ = 1148249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148261) 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, 44151 + ... + 44176.

It is an arithmetic number, because the mean of its divisors is an integer number (309148).

2^1148251 is an apocalyptic number.

1148251 is a deficient number, since it is larger than the sum of its proper divisors (88341).

1148251 is an equidigital number, since it uses as much as digits as its factorization.

1148251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88340.

The product of its digits is 320, while the sum is 22.

The square root of 1148251 is about 1071.5647437276. The cubic root of 1148251 is about 104.7158150631.

The spelling of 1148251 in words is "one million, one hundred forty-eight thousand, two hundred fifty-one".