1121700 has 36 divisors (see below), whose sum is σ = 3246320. Its totient is φ = 299040.

The previous prime is 1121699. The next prime is 1121707. The reversal of 1121700 is 71211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1121707) 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, 1570 + ... + 2169.

2^1121700 is an apocalyptic number.

1121700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121700 is an abundant number, since it is smaller than the sum of its proper divisors (2124620).

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

1121700 is a wasteful number, since it uses less digits than its factorization.

1121700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756 (or 3749 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 1121700 is about 1059.1033943860. The cubic root of 1121700 is about 103.9023985702.

Adding to 1121700 its reverse (71211), we get a palindrome (1192911).

The spelling of 1121700 in words is "one million, one hundred twenty-one thousand, seven hundred".