1113390 has 48 divisors (see below), whose sum is σ = 2948400. Its totient is φ = 291456.

The previous prime is 1113379. The next prime is 1113401. The reversal of 1113390 is 933111.

1113390 = 11² + 12² + ... + 149².

It is an interprime number because it is at equal distance from previous prime (1113379) and next prime (1113401).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7941 + ... + 8079.

It is an arithmetic number, because the mean of its divisors is an integer number (61425).

2^1113390 is an apocalyptic number.

1113390 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 1113390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474200).

1113390 is an abundant number, since it is smaller than the sum of its proper divisors (1835010).

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

1113390 is a wasteful number, since it uses less digits than its factorization.

1113390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 1113390 is about 1055.1729716023. The cubic root of 1113390 is about 103.6451788859.

The spelling of 1113390 in words is "one million, one hundred thirteen thousand, three hundred ninety".