1111950 has 72 divisors (see below), whose sum is σ = 3423888. Its totient is φ = 253440.

The previous prime is 1111949. The next prime is 1111963. The reversal of 1111950 is 591111.

It is a Harshad number since it is a multiple of its sum of digits (18).

1111950 is a Rhonda number in base 8.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2974 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (47554).

2^1111950 is an apocalyptic number.

1111950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711944).

1111950 is an abundant number, since it is smaller than the sum of its proper divisors (2311938).

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

1111950 is a wasteful number, since it uses less digits than its factorization.

1111950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 18.

The square root of 1111950 is about 1054.4903982493. The cubic root of 1111950 is about 103.6004765361.

The spelling of 1111950 in words is "one million, one hundred eleven thousand, nine hundred fifty".