1129490 has 16 divisors (see below), whose sum is σ = 2047680. Its totient is φ = 448560.

The previous prime is 1129489. The next prime is 1129501. The reversal of 1129490 is 949211.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475 + ... + 2105.

It is an arithmetic number, because the mean of its divisors is an integer number (127980).

2^1129490 is an apocalyptic number.

1129490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129490 is a deficient number, since it is larger than the sum of its proper divisors (918190).

1129490 is a wasteful number, since it uses less digits than its factorization.

1129490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1129490 is about 1062.7746703794. The cubic root of 1129490 is about 104.1423715785.

The spelling of 1129490 in words is "one million, one hundred twenty-nine thousand, four hundred ninety".