1148429 has 6 divisors (see below), whose sum is σ = 1194030. Its totient is φ = 1103256.

The previous prime is 1148387. The next prime is 1148437. The reversal of 1148429 is 9248411.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 158404 = 995^2 + 398^2 .

It is not a de Polignac number, because 1148429 - 2¹² = 1144333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5672 + ... + 5870.

It is an arithmetic number, because the mean of its divisors is an integer number (199005).

2^1148429 is an apocalyptic number.

It is an amenable number.

1148429 is a deficient number, since it is larger than the sum of its proper divisors (45601).

1148429 is an frugal number, since it uses more digits than its factorization.

1148429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 228 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 1148429 is about 1071.6477966198. The cubic root of 1148429 is about 104.7212257419.

Multiplying 1148429 by its sum of digits (29), we get a square (33304441 = 5771²).

1148429 divided by its sum of digits (29) gives a square (39601 = 199²).

The spelling of 1148429 in words is "one million, one hundred forty-eight thousand, four hundred twenty-nine".