1148402 has 4 divisors (see below), whose sum is σ = 1722606. Its totient is φ = 574200.

The previous prime is 1148387. The next prime is 1148437. The reversal of 1148402 is 2048411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2048411 = 251 ⋅8161.

It can be written as a sum of positive squares in only one way, i.e., 1018081 + 130321 = 1009^2 + 361^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287099 + ... + 287102.

2^1148402 is an apocalyptic number.

1148402 is a deficient number, since it is larger than the sum of its proper divisors (574204).

1148402 is an equidigital number, since it uses as much as digits as its factorization.

1148402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574203.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1148402 is about 1071.6351991233. The cubic root of 1148402 is about 104.7204050569.

Subtracting 1148402 from its reverse (2048411), we obtain a palindrome (900009).

The spelling of 1148402 in words is "one million, one hundred forty-eight thousand, four hundred two".