1129404 has 12 divisors (see below), whose sum is σ = 2635304. Its totient is φ = 376464.

The previous prime is 1129399. The next prime is 1129409. The reversal of 1129404 is 4049211.

It is an interprime number because it is at equal distance from previous prime (1129399) and next prime (1129409).

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129409) 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, 47047 + ... + 47070.

2^1129404 is an apocalyptic number.

It is an amenable number.

1129404 is an abundant number, since it is smaller than the sum of its proper divisors (1505900).

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

1129404 is a wasteful number, since it uses less digits than its factorization.

1129404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94124 (or 94122 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1129404 is about 1062.7342094804. The cubic root of 1129404 is about 104.1397283586.

The spelling of 1129404 in words is "one million, one hundred twenty-nine thousand, four hundred four".