1129390 has 8 divisors (see below), whose sum is σ = 2032920. Its totient is φ = 451752.

The previous prime is 1129367. The next prime is 1129391. The reversal of 1129390 is 939211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129391) 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, 56460 + ... + 56479.

It is an arithmetic number, because the mean of its divisors is an integer number (254115).

2^1129390 is an apocalyptic number.

1129390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129390 is a deficient number, since it is larger than the sum of its proper divisors (903530).

1129390 is a wasteful number, since it uses less digits than its factorization.

1129390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112946.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1129390 is about 1062.7276226767. The cubic root of 1129390 is about 104.1392980543.

The spelling of 1129390 in words is "one million, one hundred twenty-nine thousand, three hundred ninety".