1123902 has 32 divisors (see below), whose sum is σ = 2691360. Its totient is φ = 345600.

The previous prime is 1123901. The next prime is 1123909. The reversal of 1123902 is 2093211.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99 + ... + 1502.

It is an arithmetic number, because the mean of its divisors is an integer number (84105).

2^1123902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345680).

1123902 is an abundant number, since it is smaller than the sum of its proper divisors (1567458).

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

1123902 is a wasteful number, since it uses less digits than its factorization.

1123902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1123902 is about 1060.1424432594. The cubic root of 1123902 is about 103.9703441084.

It can be divided in two parts, 1123 and 902, that added together give a square (2025 = 45²).

The spelling of 1123902 in words is "one million, one hundred twenty-three thousand, nine hundred two".