1129797 has 12 divisors (see below), whose sum is σ = 1718080. Its totient is φ = 713448.

The previous prime is 1129789. The next prime is 1129819. The reversal of 1129797 is 7979211.

It is not a de Polignac number, because 1129797 - 2³ = 1129789 is a prime.

It is a super-2 number, since 2×1129797² = 2552882522418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3133 + ... + 3474.

2^1129797 is an apocalyptic number.

It is an amenable number.

1129797 is a deficient number, since it is larger than the sum of its proper divisors (588283).

1129797 is a wasteful number, since it uses less digits than its factorization.

1129797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632 (or 6629 counting only the distinct ones).

The product of its digits is 7938, while the sum is 36.

The square root of 1129797 is about 1062.9190938166. The cubic root of 1129797 is about 104.1518061645.

The spelling of 1129797 in words is "one million, one hundred twenty-nine thousand, seven hundred ninety-seven".