1125690 has 32 divisors (see below), whose sum is σ = 2730240. Its totient is φ = 297024.

The previous prime is 1125679. The next prime is 1125701. The reversal of 1125690 is 965211.

It is an interprime number because it is at equal distance from previous prime (1125679) and next prime (1125701).

It is a super-2 number, since 2×1125690² = 2534355952200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1125690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4591 + ... + 4829.

It is an arithmetic number, because the mean of its divisors is an integer number (85320).

2^1125690 is an apocalyptic number.

1125690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125690 is an abundant number, since it is smaller than the sum of its proper divisors (1604550).

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

1125690 is a wasteful number, since it uses less digits than its factorization.

1125690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1125690 is about 1060.9853910399. The cubic root of 1125690 is about 104.0254498860.

The spelling of 1125690 in words is "one million, one hundred twenty-five thousand, six hundred ninety".