1155950 has 24 divisors (see below), whose sum is σ = 2191080. Its totient is φ = 453600.

The previous prime is 1155943. The next prime is 1155953. The reversal of 1155950 is 595511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2861 + ... + 3239.

It is an arithmetic number, because the mean of its divisors is an integer number (91295).

2^1155950 is an apocalyptic number.

1155950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155950 is a deficient number, since it is larger than the sum of its proper divisors (1035130).

1155950 is a wasteful number, since it uses less digits than its factorization.

1155950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 26.

The square root of 1155950 is about 1075.1511521642. The cubic root of 1155950 is about 104.9493330758.

The spelling of 1155950 in words is "one million, one hundred fifty-five thousand, nine hundred fifty".